Free Printable 8th Math CA 1 Review

1.

Which Venn diagram correctly describes the relationship between the set of Natural Numbers, N, and the set of Whole Numbers, W?

a)

N inside W, because all natural numbers are whole numbers.

b)

N and W separate, because natural numbers and whole numbers have no elements in common.

c)

W inside N, because all whole numbers are natural numbers.

d)

N and W overlapping, because some natural numbers are not whole numbers.

2.

Mr. Smith is sewing a quilt. He needs a piece of fabric that is MORE than 1/3 of a yard but LESS than 3/4 of a yard. Which length of fabric listed below could he use?

a)

1/4 yard

b)

2/3 yard

c)

5/6 yard

d)

1/2 yard

3.

Identify the rational numbers from the list below.

a)

3/4

b)

-5

c)

3.14

d)

10

e)

-2.7

4.

Robert and Dora need to write 5,600,000,000 using scientific notation. Robert wrote 5,600,000,000 = 5.6 x 10^8, and Dora wrote 5,600,000,000 = 5.6 x 10^9. Which statement best describes whose number is correct and the reason it is correct?

a)

Robert’s number is correct because when converting 5,600,000,000 to scientific notation, the decimal would be located between the 5 and the 6, and the original decimal point in the standard form moves to the left 8 places.

b)

Dora’s number is correct because when converting 5,600,000,000 to scientific notation, the decimal would be located between the 5 and the 6, and the original decimal point in the standard form moves to the left 9 places.

c)

Robert’s number is correct because when converting 5,600,000,000 to scientific notation, the decimal would be located between the 5 and the 6, and the power of 10 is determined by the number of zeros.

d)

Dora’s number is correct because when converting 5,600,000,000 to scientific notation, the decimal would be located between the 5 and the 6, and the power of 10 is always the number of zeros plus 1.

5.

A scientist recorded a mass of 0.000456 grams of a substance. How is this number expressed in scientific notation?

a)

4.56 x 10^-4 grams

b)

4.56 x 10^4 grams

c)

456 x 10^-6 grams

d)

0.456 x 10^-3 grams

6.

Four friends are working on a project. Alice has completed 3/5 of the project, Bob has completed 68% of the project, Carol has completed 0.72 of the project, and Dave has completed 4/7 of the project. Which of the following lists the friends in order from least to greatest by the amount of the project they have completed?

a)

Bob, Dave, Carol, Alice

b)

Dave, Bob, Alice, Carol

c)

Bob, Carol, Dave, Alice

d)

Dave, Carol, Bob, Alice

7.

Arrange the following fractions in descending order: 5/6, -1.25, 3/4, 150%, -0.5, 2/3.

a)

150%, 5/6, 3/4, 2/3, -0.5, -1.25

b)

150%, 3/4, 5/6, 2/3, -0.5, -1.25

c)

150%, 5/6, 2/3, 3/4, -0.5, -1.25

d)

150%, 5/6, 3/4, 2/3, -1.25, -0.5

8.

Which of the following represents the width, in centimeters, of a book on a shelf?

a)

5/3

b)

2.75

c)

9/100

d)

0.205

9.

The volume of a water tank is 12,500,000 cubic meters. What is the volume of the water tank in scientific notation?

a)

1.25 x 10^7

b)

12.5 x 10^7

c)

125 x 10^7

d)

1.25 x 10^6

10.

Which of the following is correct scientific notation?

a)

20.35 x 10⁴

b)

.2035 x 10⁴

c)

2035⁴

d)

2.035 x10⁴

11.

A company with 300 employees wants to survey its employees to determine if they prefer remote work or in-office work. Choose which of the following samples is unbiased.

a)

Surveying the first 30 employees that arrive at the office.

b)

Surveying employees who have already worked remotely.

c)

Surveying every 5th employee to enter the building.

d)

Asking employees to respond to an online survey.

12.

The list shows the number of books that five students each read last month: 25, 30, 28, 22, 35. What is the mean absolute deviation of the numbers in the list?

a)

3.6

b)

4.8

c)

5.2

d)

6.4

13.

A set of values is shown below: 15, 18.5, 20, 21.5, 17, 19. What is the mean absolute deviation of the set of values?

a)

0

b)

1.66

c)

2.5

d)

3.2

14.

DeeAnne wants to survey the 8th grade students at her school to learn their opinions about school lunches. Which sampling method is most likely to create a random sample that is representative of the population of 8th grade students at her school?

a)

Choosing every 5th student in 8th grade that enters the cafeteria during lunch period.

b)

Asking 8th grade students to volunteer for the survey.

c)

Selecting the first 2 students from an alphabetized list in every 8th grade class.

d)

Placing the school identification numbers of all 8th grade students in a bag and drawing 20 numbers without looking.

15.

Which methods would ensure a random sample representative of the population? Select TWO correct answers.

a)

Using a computer algorithm to randomly select employees for a survey on workplace satisfaction.

b)

Choosing the first 15 people who enter a store to participate in a study on shopping habits.

c)

Asking participants to respond to an online survey.

d)

Asking for volunteers to join a committee on neighborhood safety.

e)

Picking the first 25 respondents to a survey to determine public opinion on a new policy.

16.

Greta recorded the ages of male and female athletes represented by a certain agent. The ages, in years, are shown below. Male Athletes: 24, 29, 35, 33, 40, 28 Female Athletes: 24, 23, 27, 25, 26, 30 What is the mean absolute deviation of the female athletes?

a)

A. 11

b)

B. 25

c)

C. 3.8

d)

D. 1.85

17.

Which of the following best describes the mean absolute deviation?

a)

A. It measures the spread of data values around the median.

b)

B. It is the absolute value of the mean.

c)

C. It is the average distance between each data value and the mean.

d)

D. It measures the spread of data values around the mode.

18.

Myrtle wants to determine the favorite movie among students at her school. Which sampling method would most likely provide a representative sample of the students at Myrtle's school?

a)

Survey fifteen players chosen randomly from each sports team

b)

Survey fifteen students chosen randomly from students who are in art class

c)

Survey fifteen students in the eighth grade

d)

Survey fifteen students chosen randomly from each grade

19.

A survey is given on how to improve the school. The survey is given to every 10th student who enters the band room. The survey is (a) because it (b) representative of the population.

Choose from the below words

biased

unbiased

is

is not

20.

Middle school students are chosen at random to determine the average shoe size of middle school students.

a)

Representative Sample

b)

Biased Sample

21.

Tricia and Melanie are both saving money for their summer vacations. They both began saving at the same time. Tricia started with $15.00 and adds $7.50 to her savings every month. Melanie did not have a starting amount but adds $15.00 to her savings every month. Which equation could be used to determine how many months, m, it will take before Tricia and Melanie both have saved the same amount of money?

a)

7.50m + 15.00 = 15.00m

b)

15.00m + 7.50 = 15.00m

c)

15.00m + 15.00 = 7.50m

d)

15.00m - 7.50 = 15.00m

22.

During a math competition, Alex, Jordan, Taylor, and Morgan solved the equation below. $\frac{9}{2}x + 3 = \frac{5}{3}x + \frac{11}{6}$ Alex got an answer of 4.57. Jordan got an answer of -0.411. Taylor got an answer of 6.58. Morgan got an answer of -2.33. Who is correct?

USE NSOLVE:

1. type in MENU 3 1

2. write equation

3. type ,x

should look like NSolve(9/2x+3=5/3x+11/6,x)

a)

Alex

b)

Jordan

c)

Taylor

d)

Morgan

23.

What is the formula for simple interest?

a)

I = prt

b)

A = P(1 + r)^t

24.

To find the Account balance for simple interest, I need to

a)

Add the interest to the principal

b)

Subtract the interest from the principal

25.

What is the formula for compound interest?

a)

I = prt

b)

A = P(1 + r)^t

26.

The formula for compound interest gives you the

a)

Account Balance

b)

Interest

27.

To find the interest for compound interest, I need to

a)

Subtract the Account Balance and the Principal

b)

Do nothing because I already have my answer

28.

What should Grace do next in step 4?

a)

-6x

b)

+6x

c)

-8x

d)

-26

29.

In Step 1, what operation is performed on both sides of the equation?

a)

Addition

b)

Subtraction

c)

Multiplication

d)

Division

30.

What is the equation in Step 4?

a)

6x + 26 - 6x = 8x - 6x

b)

6x + 18 = 8x - 8

c)

6x + 8 = 8x + 18

d)

6x + 26 = 8x + 8

31.

An equation is represented by the model. What value of x makes the equation true?

How do you solve?

a)

-3x+9 = x-7

-3x+9-3x = x-7-3x
9 = -2x - 7
9+7 = -2x -7+7
16 = -2x
16/-2 = -2x/-2
-8 = x

b)

-3x+9 = x-7

-3x+9+3x = x-7+3x
9 = 4x - 7
9+7 = 4x -7+7
16 = 4x
16/4 = 4x/4
4 = x

32.

If Cole deposits $1,750 for 3 years, which solution would earn the most interest?

a)

Account 1: 2.5% annual simple interest

b)

Account 2: 4% interest compounded annually

c)

Account 3: 3% annual simple interest

d)

Account 4: 3.5% interest compounded annually

33.

What is the solution to the equation 2x - 5 = 3x + 7?

a)

x = -12

b)

x = 12

c)

x = -2

d)

x = 2

34.

Which operation should be performed first to solve the equation 4x + 8 = 20?

a)

Subtract 8 from both sides

b)

Add 8 to both sides

c)

Multiply both sides by 4

d)

Divide both sides by 4

35.

Which operation should be performed next to solve the equation 4x = 20?

a)

add both sides by 4

b)

subtract both sides by 4

c)

Multiply both sides by 4

d)

Divide both sides by 4

36.

Which account will yield more interest over 5 years: Account A with 3% simple interest or Account B with 2.5% interest compounded annually?

a)

Account A: 3% simple interest

b)

Account B: 2.5% compounded annually

c)

Both yield the same interest

d)

Cannot be determined

37.

What is interest?

a)

an decrease in price

b)

money paid regularly at a particular rate for the use of money lent, or for delaying the repayment of a debt.

38.

When calculating

interest, how do you write the percent?

a)

a fraction

b)

a decimal

c)

a round number

d)

not enough information

39.

Steve deposited

$5,000 in a savings account that pays 4% interest compounded annually. Which

equation could be used to find the value of the account after 3 years?

a)

A = 5,000(1 + 4)³

b)

A = 5,000(1 + 0.04)³

c)

A = 5,000(1 + 0.4) x 3

d)

A = 5,000(0.04)³

40.

Jessica borrowed $500 from a bank for 2 years and was charged simple interest. The total interest that she paid on the loan was $70. As a percentage, what was the annual interest rate of her loan?

Match the following

a)

500

1.

Principle (P)

b)

2

2.

time (t)

c)

Unknown

3.

rate (r)

d)

70

4.

Interest (I)

41.

Ivan deposits $5,000 into an account that pays simple interest at a rate of 5% per year. How much interest will he be paid in the first 3 years?

What is the principle? (a)

What is the rate? (b)

What is the time? (c)

Choose from the below words

$5,000

5%

3 years

42.

Which is the formula for calculating compound interest?

a)

b)

43.

What is the formula for simple interest?

a)

A=P(1+r)^t

b)

I=Prt

c)

I=P(1+r)t

d)

A=Prt

44.

If you are calculating the simple interest and you are given the time in months. How can you find the time in years?

a)

divide 12 by the months

b)

multiply 12 times the months

c)

divide the months by 12

d)

change the months to a decimal

45.

The simple interest formula is I=Prt. What does the t represent?

a)

Principle

b)

Interest

c)

Time

d)

Percent Rate

46.

Principal = $800
Interest Rate = 3.5%
Time = 6 months = 0.5 years
Find the interest earned.

Calculator: 800 x 0.035 x 0.5

a)

14

b)

140

c)

168

d)

16.80

47.

Write the percent as a decimal.
4.3%

a)

4.3

b)

.43

c)

.043

d)

4300

48.

The compound interest formula is:

A = P(1 + r)^t

What does the A represent?

a)

The amount of interest earned.

b)

The amount of time that has passed.

c)

The account balance with the interest added

d)

The amount required to invest.

49.

interest is _________

a)

extra money paid for borrowing

b)

interesting

c)

Flocabulary songs

d)

time times rate

50.

Caiden earned $475 from mowing lawns last summer. He deposited this money in an account that pays an interest rate of 3.8% compounded annually. What will be his balance after 15 year?

a)

$827.52

b)

$831.10

c)

$839.45

d)

$846.80

51.

Steve deposited $5,000 in a savings account that pays 4% interest compounded annually.

Which equation could be used to find the value of the account after 3 years?

a)

A = 5,000(1 + 4)³

b)

A = 5,000(1 + 0.04)³

c)

A = 5,000(1 + 0.4) x 3

d)

A = 5,000(0.04)³

52.

When Using the compound interest formula, what is the extra step you must take to get interest?

a)

add the principle

b)

subtract the principle

c)

multiply the principle

d)

leave it alone

53.

Convert 25% to a decimal.

a)

0.25

b)

0.025

c)

2.5

d)

25

54.

Convert 134% into a decimal.

a)

0.134

b)

1.34

c)

0.0134

d)

Not here

55.

Convert 0.05 to a percent

a)

50%

b)

0.5%

c)

500%

d)

5%

56.

Convert 6% into a decimal.

a)

0.06

b)

0.6

c)

0.006

d)

6

57.

a)

The cost of 5 notebooks is greater than the cost of 3 notebooks plus a $2 pen.

b)

The cost of 5 notebooks is less than the cost of 3 notebooks with a $2-off coupon.

c)

The cost of 5 notebooks is less than the cost of 3 notebooks plus a $2 pen.

d)

The cost of 5 notebooks is $2 greater than the price of 3 notebooks.

58.

a)

2.5v + 5 < 5v

b)

2.5v + 5 > 5v

c)

7.5v < 5v

d)

7.5v > 5v

59.

Choose the situation that could represent the inequality:
25 – x < 15 + x

a)

Kasey has a gift card for $25. She buys a $15 CD and as many decals as she can buy with the rest of the gift card. How many decals can she buy?

b)

The school band has 25 people, and the theater class has 15 people. How many people must move from the band class to the theater class for the theater class to be as big or larger than the school band?

60.

A student must be at least 15 years old to obtain a driver’s permit. Let a represent the student's age.

a)

a > 15

b)

a < 15

c)

a ≤ 15

d)

a ≥ 15

e)

a = 15

61.

Triangle KLM and triangle PRS are similar right triangles. Which proportion can be used to show that the slope of $\overline{KM}$ is equal to the slope of $\overline{PS}$ ?

a)

$\frac{KL}{LM}=\frac{PR}{RS}$

b)

$\frac{RS}{SP}=\frac{LM}{MK}$

c)

$\frac{ML}{LK}=\frac{SP}{RP}$

d)

$\frac{PS}{PR}=\frac{KM}{KL}$

62.

Triangle HJK and triangle PMK are similar right triangles. The coordinates of all the vertices are integers. Which statement is true about the slope of $\overline{HK}$ and the slope of $\overline{PK}$ ?

a)

The slope of $\overline{HK}$ is less than the slope of $\overline{PK}$ , because the ratio of the change in y-values of the endpoints to the change in x-values of the endpoints is less for $\overline{HK}$ than it is for $\overline{PK}$ .

b)

The slope of $\overline{HK}$ is equal to the slope of $\overline{PK}$ , because the ratio of the change in y-values of the endpoints to the change in x-values of the endpoints is the same for $\overline{HK}$ as it is for $\overline{PK}$ .

c)

The slope of $\overline{HK}$ is greater than the slope of $\overline{PK}$ , because the ratio of the change in y-values of the endpoints to the change in x-values of the endpoints is greater for $\overline{HK}$ than it is for $\overline{PK}$ .

d)

The relationship between the slope of $\overline{HK}$ and the slope of $\overline{PK}$ cannot be determined, because the triangles are congruent.

63.

Triangle MNP and triangle JKL are similar right triangles. Which proportion can be used to show that the slope of $\overline{JL}$ is equal to the slope of $\overline{MP}$ ?

a)

$\frac{0-\left(-7\right)}{4-\left(-4\right)}=\frac{-4-\left(-10\right)}{8-\left(-1\right)}$

b)

$\frac{0-4}{-4-\left(-7\right)}=\frac{-4-8}{-1-\left(-10\right)}$

c)

$\frac{0-\left(-4\right)}{4-\left(-7\right)}=\frac{-4-\left(-1\right)}{8-\left(-10\right)}$

d)

$\frac{-4-\left(-7\right)}{0-4}=\frac{-1-\left(-10\right)}{-4-8}$

64.

Triangles PQR and RST are similar right triangles. Which proportion can be used to show that the slope of $\overline{PR}$ is equal to the slope of $\overline{RT}$ ?

a)

$\frac{3-7}{-4-\left(-7\right)}=\frac{-5-3}{2-\left(-4\right)}$

b)

$\frac{3-\left(-4\right)}{7-\left(-7\right)}=\frac{-5-2}{3-\left(-4\right)}$

c)

$\frac{-4-\left(-7\right)}{3-7}=\frac{2-\left(-4\right)}{-5-3}$

d)

$\frac{-4-\left(-3\right)}{-7-7}=\frac{2-\left(-5\right)}{-4-3}$

65.

Triangle DEF and triangle GHI are similar right triangles. Based on this information, which statement is true?

a)

The relationship between the slope of the hypotenuse of triangle DEF and the slope of the hypotenuse of triangle GHI cannot be determined.

b)

The slope of the hypotenuse of triangle DEF is greater than the slope of the hypotenuse of triangle GHI.

c)

The slope of the hypotenuse of triangle DEF is less than the slope of the hypotenuse of triangle GHI.

d)

The slope of the hypotenuse of triangle DEF is equal to the slope of the hypotenuse of triangle GHI.

66.

Find the slope of the line.

a)

-2

b)

2

c)

-1

d)

1

67.

Find the slope using (-2, 8) and (0, 0)

y2 - y1/x2 - x1

a)

-8/-2 = 4

b)

-8/2 = -4

c)

2/8 = 1/4

d)

-2/8 = -1/4

68.

Find the slope of the line.

a)

4/3

b)

-4/3

c)

3/4

d)

-3/4

69.

Slope is know as rise/

a)

run

b)

fall

c)

none

d)

rise

70.

Slope is describe as

a)

$\frac{rise}{run}$

b)

$\frac{run}{rise}$

71.

A factory makes cars at a constant rate. Based on the table, what is the slope of the line?

72.

8.4A

a)

F

b)

G

c)

H

d)

J

73.

8.4C

a)

-5

b)

5

c)

4

d)

-4

74.

8.4C

a)

6

b)

-6

c)

10

d)

-10

75.

to solve: y divided by x

a)

A

b)

B

c)

C

d)

D

76.

8.4C

a)

F

b)

G

c)

H

d)

J

77.

8.4C

a)

A

b)

B

c)

C

d)

D

78.

Which statement below accurately represents the graph?

a)

$100 is earned for each hour worked

b)

$100 is earned for every 2 hours worked

c)

$500 is earned for every 8 hours worked

d)

$200 is earned for every 3 hours worked

79.

Find the slope

a)

4/5

b)

5/4

c)

-5/4

d)

-4/5

80.

Slope measures the _________ of a line

a)

curve

b)

speed

c)

steepness

d)

length

81.

Where is point E located?

a)

( 2, 0 )

b)

( 2 , 2 )

c)

( 0 , 2 )

d)

( 0 , 0 )

82.

What is the ordered pair for point A?

a)

( 2, 0)

b)

( 0 , 2)

c)

(0, -2)

d)

(-2,0)

83.

What is coordinate R?

a)

(2,5)

b)

(0,1)

c)

(2,3)

d)

(1,0)

84.

Name the ordered pair for point C.

a)

(3,4)

b)

(4,3)

c)

(3,7)

d)

(4,7)

85.

Give the coordinates for POINT H.

a)

(-1, 2)

b)

(1, -2)

c)

(-1, -2)

d)

(1 , 2)

86.

What is located at (5,3)?

a)

nothing

b)

point A

c)

the park

d)

point B

87.

What are the coordinates of point R?

a)

(2,5)

b)

(0,1)

c)

(2,3)

d)

(1,0)

88.

Give the coordinates of Point A

a)

$\left(-5,3\right)$

b)

$\left(5,3\right)$

c)

$\left(3,-5\right)$

89.

a)

-5

b)

5

c)

15

d)

-15

90.

a)

A

b)

B

c)

C

d)

D

91.

a)

F

b)

G

c)

H

d)

J

92.

a)

A

b)

B

c)

C

d)

D

93.

a)

F

b)

G

c)

H

d)

J

94.

Jon drinks 10 sodas a week. Which graph correctly represents the unit rate for this proportional relationship?

a)

b)

c)

d)

95.

Which representation shows y as a function of x?

a)

A

b)

B

c)

c

d)

D

96.

Which graph does NOT represent y as a function of x?

a)

A

b)

B

c)

C

d)

D

97.

Which set of ordered pairs represents y as a function of x?

a)

A

b)

B

c)

C

d)

D

98.

Which set of ordered pairs represents y as a function of x?

a)

A

b)

B

c)

C

d)

D

99.

Which graph represents y as a function of x?

a)

F

b)

G

c)

H

d)

J

100.

a)

A

b)

B

c)

C

d)

D

101.

Q3

a)

F

b)

G

c)

H

d)

J

102.

Q1

a)

A

b)

B

c)

C

d)

D

103.

Write the equation of the line in slope-intercept form.

a)

y = -2x - 5

b)

y = 2x - 5

c)

y = -2x

d)

y = -1/2x - 5

104.

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

a)

y = 15x

b)

y = 15x + 80

c)

y = x +15

d)

y = 80x + 15

105.

a)

F

b)

G

c)

H

d)

J

106.

a)

A

b)

B

c)

C

d)

D

107.

a)

F

b)

G

c)

H

d)

J

108.

Which representation does not show y as a function of x?

a)

A

b)

B

c)

C

d)

D

109.

Which mapping represents a function

a)

b)

c)

d)

110.

Which table of ordered pairs represents a function?

a)

b)

c)

d)

111.

Which of the following sets of ordered pairs does not represent a function?

a)

b)

c)

d)

112.

Look at the table.

Which number could fill the two empty cells to make the table a function

a)

0

b)

3

c)

-2

d)

5

113.

Which of the following is a function?

a)

A

b)

B

c)

C

d)

D

114.

Which of the following is NOT a function?

a)

A

b)

B

c)

C

d)

D

115.

Look at the graph.

Which of the following is true for the graph?

a)

The graph is a function

b)

The graph is not a function

c)

The graph shows a proportional relationship

d)

None of the above

116.

Which graph does not represent y as a function of x?

a)

b)

c)

d)

117.

Direct Variation

a)

y = kx

b)

y = mx + b

c)

Ax + By = C

d)

x = my + b

118.

What is the unit rate if the rate is 30 laps for 10 minutes.

a)

3 laps per minute

b)

10 laps per minute

c)

15 laps per minute

d)

10 laps per two minute

119.

Find the sequence 10, 20, 30, 40.........

a)

Multiply by 10

b)

Add 10

c)

Multiply by 2

120.

You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?

a)

4 cookies per dollar

b)

6 cookies per dollar

c)

9 cookies per dollar

d)

1/9 dollars per cookie

121.

The value of y varies directly with x. Which function represents the relationship between x and y if y = 14 when x = 6.

a)

y=20x

b)

y=84x

c)

y=7/3x

d)

y=3/7x

122.

On a map scale, 2 inches represents 60 miles. Which graph best shows the relationship between x, the number of inches on the map, and y, the actual distance in miles?

a)

b)

c)

d)

123.

A hot-air balloon is released at ground level, and it rises into the air at a constant rate. After 5 seconds the height of the balloon is 20 feet. The balloon continues to rise at the same rate. Which table shows the relationship between the time in seconds , x, and the height of the balloon in feet, y?

a)

b)

c)

d)

124.

a)

A

b)

B

c)

C

d)

D

125.

a)

F

b)

G

c)

H

d)

J

126.

REVIEW QUESTION
Which best describes the graph represented in this table?

a)

proportional

b)

non-proportional

127.

Is the graph proportional or non proportional?

a)

proportional

b)

non proportional

128.

REVIEW QUESTION
Is this table proportional or non-proportional?

a)

Proportional

b)

Non-Proportional

129.

Is the graph proportional or non proportional?

a)

proportional

b)

non proportional

130.

Which equation shows a NON-proportional relationship of x and y?

a)

y = 5x

b)

y = 2.5x

c)

y = x + 3

d)

y = 1/2x

131.

Is this table proportional?

a)

Yes

b)

No

132.

Which best describes the equation?
y = 75x

a)

Proportional

b)

Nonproportional

133.

Proportional or Non-Proportional:
The video game rental fee is $15 plus $3 per day.

a)

Proportional

b)

Non-Proportional

134.

Does the graph show a proportional relationship?

a)

Yes

b)

No

135.

Does the table show a proportional relationship?

a)

Yes

b)

No

136.

Does the equation show a proportional relationship?

a)

Yes

b)

No

137.

Is the graph proportional or non proportional?

a)

proportional

b)

non proportional

138.

Is this graph proportional?

a)

Yes because it is a straight line and goes through the origin

b)

No because it is not a straight line but goes through the origin

c)

No because it is not a straight line and does not go through the origin

d)

No because it is a straight line but does not go through the origin

139.

Does this graph represent a proportional relationship?

a)

No, because it doesn't pass through the origin.

b)

Yes, because it doesn't pass through the origin.

c)

Yes, because it intersects the y axis.

d)

No, because it intersects the x axis.

140.

Which could not be a proportional situtation?

a)

The number of gallons of water in x barrels with 42 gallons of water in each barrel

b)

The amount an employee who makes $8.50 per hou ears in h hours

c)

The weight in a x weeks of a puppy that gains 2 pounds oer week if its starting weight is 8 pounds

d)

The cost of purchasing p pounds of bananas for $0.55 per pound

141.

Which situation represents a proportional situation?

a)

The cost of purchasing a basket of oranges for $1.30 per pound plus $5.00 for the basket

b)

The cost of purchasing peaches for $7.00 per box pf peaches with a delivery charge of $3.00

c)

The cost of purchasing grapefruit for $1.80 per pound with a coupon for $1.00 off the total cost

d)

The cost of purchasing apples for $1.75 per pound plus a shipping fee of $0.16 per pound

142.

The approximate volume in milliliters, m, for a volume of fluid ounces, f, is equal to 29.57 times the value of f. Which table represents this relationship?

a)

b)

c)

d)

143.

A water hose discharges at a rate of 45 gallons per minute. Which graph has a slope that best represents this rate?

a)

b)

c)

d)

144.

Which situation could NOT represent a proportional relationship?

a)

The number of gallons of water in x barrels with 42 gallons of water in each barrel

b)

The amount an employee who makes $8.50 per hour earns in h hours

c)

The weight in x weeks of a puppy that gains 2 pounds per week if its starting weight is 8 pounds

d)

The cost of purchasing p pounds of bananas for $0.55 per pounds

145.

What is the solution to this system?

a)

(-2, -2)

b)

(2, -2)

c)

(-2,2)

d)

(2, 2)

146.

What is the solution?

a)

(1, -1)

b)

(-1, 1)

c)

(0, -2)

d)

(0, 1)

147.

Write the equation of the line.

a)

y=(3/5)x+1

b)

y=(3/5)x-1

c)

y=(5/3)x+1

d)

y=(3/5)x+1

148.

Jerry has $20 and makes $7 per hour. Which equation represents the total amount of money Jerry has after working x hours?

a)

y = 7x + 20

b)

y = 7 + 20x

c)

y = 20 + 7

149.

$y\ =\ x\ -\ \frac{3}{4}$
Y-intercept is

a)

$\frac{3}{4}$

b)

1

c)

-1

d)

$-\frac{3}{4}$

150.

What does the "b" stand for in y=mx+b?

a)

slope

b)

x-intercept

c)

y-intercept

151.

What is the correct equation in
Slope-Intercept Form?
(y = mx +b)

a)

y = -1/3x + 3

b)

y = 1/3x - 3

c)

y = -1/3x - 3

d)

y = 1/3x + 3

152.

What is the y-intercept of this function?

a)

function

b)

b = 4

c)

m = 3/2

d)

positive

153.

a)

-5

b)

5

c)

15

d)

-15

154.

a)

A

b)

B

c)

C

d)

D

155.

a)

F

b)

G

c)

H

d)

J

156.

a)

A

b)

B

c)

C

d)

D

157.

a)

F

b)

G

c)

H

d)

J

158.

Jon drinks 10 sodas a week. Which graph correctly represents the unit rate for this proportional relationship?

a)

b)

c)

d)

159.

Which representation shows y as a function of x?

a)

A

b)

B

c)

c

d)

D

160.

Which graph does NOT represent y as a function of x?

a)

A

b)

B

c)

C

d)

D

161.

Which set of ordered pairs represents y as a function of x?

a)

A

b)

B

c)

C

d)

D

162.

Which set of ordered pairs represents y as a function of x?

a)

A

b)

B

c)

C

d)

D

163.

Which graph represents y as a function of x?

a)

F

b)

G

c)

H

d)

J

164.

a)

A

b)

B

c)

C

d)

D

165.

Q3

a)

F

b)

G

c)

H

d)

J

166.

Q1

a)

A

b)

B

c)

C

d)

D

167.

Write the equation of the line in slope-intercept form.

a)

y = -2x - 5

b)

y = 2x - 5

c)

y = -2x

d)

y = -1/2x - 5

168.

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

a)

y = 15x

b)

y = 15x + 80

c)

y = x +15

d)

y = 80x + 15

169.

a)

F

b)

G

c)

H

d)

J

170.

a)

A

b)

B

c)

C

d)

D

171.

a)

F

b)

G

c)

H

d)

J

172.

Which representation does not show y as a function of x?

a)

A

b)

B

c)

C

d)

D

173.

Which mapping represents a function

a)

b)

c)

d)

174.

Which table of ordered pairs represents a function?

a)

b)

c)

d)

175.

Which of the following sets of ordered pairs does not represent a function?

a)

b)

c)

d)

176.

Look at the table.

Which number could fill the two empty cells to make the table a function

a)

0

b)

3

c)

-2

d)

5

177.

Which of the following is a function?

a)

A

b)

B

c)

C

d)

D

178.

Which of the following is NOT a function?

a)

A

b)

B

c)

C

d)

D

179.

Look at the graph.

Which of the following is true for the graph?

a)

The graph is a function

b)

The graph is not a function

c)

The graph shows a proportional relationship

d)

None of the above

180.

Which graph does not represent y as a function of x?

a)

b)

c)

d)

181.

Direct Variation

a)

y = kx

b)

y = mx + b

c)

Ax + By = C

d)

x = my + b

182.

What is the unit rate if the rate is 30 laps for 10 minutes.

a)

3 laps per minute

b)

10 laps per minute

c)

15 laps per minute

d)

10 laps per two minute

183.

Find the sequence 10, 20, 30, 40.........

a)

Multiply by 10

b)

Add 10

c)

Multiply by 2

184.

You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?

a)

4 cookies per dollar

b)

6 cookies per dollar

c)

9 cookies per dollar

d)

1/9 dollars per cookie

185.

The value of y varies directly with x. Which function represents the relationship between x and y if y = 14 when x = 6.

a)

y=20x

b)

y=84x

c)

y=7/3x

d)

y=3/7x

186.

On a map scale, 2 inches represents 60 miles. Which graph best shows the relationship between x, the number of inches on the map, and y, the actual distance in miles?

a)

b)

c)

d)

187.

A hot-air balloon is released at ground level, and it rises into the air at a constant rate. After 5 seconds the height of the balloon is 20 feet. The balloon continues to rise at the same rate. Which table shows the relationship between the time in seconds , x, and the height of the balloon in feet, y?

a)

b)

c)

d)

188.

a)

A

b)

B

c)

C

d)

D

189.

a)

F

b)

G

c)

H

d)

J

190.

REVIEW QUESTION
Which best describes the graph represented in this table?

a)

proportional

b)

non-proportional

191.

Is the graph proportional or non proportional?

a)

proportional

b)

non proportional

192.

REVIEW QUESTION
Is this table proportional or non-proportional?

a)

Proportional

b)

Non-Proportional

193.

Is the graph proportional or non proportional?

a)

proportional

b)

non proportional

194.

Which equation shows a NON-proportional relationship of x and y?

a)

y = 5x

b)

y = 2.5x

c)

y = x + 3

d)

y = 1/2x

195.

Is this table proportional?

a)

Yes

b)

No

196.

Which best describes the equation?
y = 75x

a)

Proportional

b)

Nonproportional

197.

Proportional or Non-Proportional:
The video game rental fee is $15 plus $3 per day.

a)

Proportional

b)

Non-Proportional

198.

Does the graph show a proportional relationship?

a)

Yes

b)

No

199.

Does the table show a proportional relationship?

a)

Yes

b)

No

200.

Does the equation show a proportional relationship?

a)

Yes

b)

No

201.

Is the graph proportional or non proportional?

a)

proportional

b)

non proportional

202.

Is this graph proportional?

a)

Yes because it is a straight line and goes through the origin

b)

No because it is not a straight line but goes through the origin

c)

No because it is not a straight line and does not go through the origin

d)

No because it is a straight line but does not go through the origin

203.

Does this graph represent a proportional relationship?

a)

No, because it doesn't pass through the origin.

b)

Yes, because it doesn't pass through the origin.

c)

Yes, because it intersects the y axis.

d)

No, because it intersects the x axis.

204.

Which could not be a proportional situtation?

a)

The number of gallons of water in x barrels with 42 gallons of water in each barrel

b)

The amount an employee who makes $8.50 per hou ears in h hours

c)

The weight in a x weeks of a puppy that gains 2 pounds oer week if its starting weight is 8 pounds

d)

The cost of purchasing p pounds of bananas for $0.55 per pound

205.

Which situation represents a proportional situation?

a)

The cost of purchasing a basket of oranges for $1.30 per pound plus $5.00 for the basket

b)

The cost of purchasing peaches for $7.00 per box pf peaches with a delivery charge of $3.00

c)

The cost of purchasing grapefruit for $1.80 per pound with a coupon for $1.00 off the total cost

d)

The cost of purchasing apples for $1.75 per pound plus a shipping fee of $0.16 per pound

206.

The approximate volume in milliliters, m, for a volume of fluid ounces, f, is equal to 29.57 times the value of f. Which table represents this relationship?

a)

b)

c)

d)

207.

A water hose discharges at a rate of 45 gallons per minute. Which graph has a slope that best represents this rate?

a)

b)

c)

d)

208.

Which situation could NOT represent a proportional relationship?

a)

The number of gallons of water in x barrels with 42 gallons of water in each barrel

b)

The amount an employee who makes $8.50 per hour earns in h hours

c)

The weight in x weeks of a puppy that gains 2 pounds per week if its starting weight is 8 pounds

d)

The cost of purchasing p pounds of bananas for $0.55 per pounds

209.

What is the solution to this system?

a)

(-2, -2)

b)

(2, -2)

c)

(-2,2)

d)

(2, 2)

210.

What is the solution?

a)

(1, -1)

b)

(-1, 1)

c)

(0, -2)

d)

(0, 1)

211.

Write the equation of the line.

a)

y=(3/5)x+1

b)

y=(3/5)x-1

c)

y=(5/3)x+1

d)

y=(3/5)x+1

212.

Jerry has $20 and makes $7 per hour. Which equation represents the total amount of money Jerry has after working x hours?

a)

y = 7x + 20

b)

y = 7 + 20x

c)

y = 20 + 7

213.

$y\ =\ x\ -\ \frac{3}{4}$
Y-intercept is

a)

$\frac{3}{4}$

b)

1

c)

-1

d)

$-\frac{3}{4}$

214.

What does the "b" stand for in y=mx+b?

a)

slope

b)

x-intercept

c)

y-intercept

215.

What is the correct equation in
Slope-Intercept Form?
(y = mx +b)

a)

y = -1/3x + 3

b)

y = 1/3x - 3

c)

y = -1/3x - 3

d)

y = 1/3x + 3

216.

What is the y-intercept of this function?

a)

function

b)

b = 4

c)

m = 3/2

d)

positive

8th Math CA 1 Review

Total questions: 216

Worksheet time: 13hrs 37mins

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