Free Printable Mid-Year Review 8th Grade

1.

Write an algebraic expression:
10 less than a number

a)

10n

b)

10 - n

c)

n - 10

d)

10/n

2.

What is the coefficient of x?
8 + 5x - y

a)

8

b)

0

c)

5

d)

-5

3.

How many terms are in the following expression?

3x + y + 42

a)

2 terms

b)

3 terms

c)

4 terms

4.

Combine like terms.

3x + 2x + 7

a)

12x

b)

5x + 7

c)

14x

d)

3x + 2x + 7

5.

Tiffany brought $30 to the mall and spent $14 on a softball and $6 for a snack. Which expression matches the situation?

a)

30 ÷ (14 - 6)

b)

30 - (14 + 6)

c)

30 ÷ (14 - 6)

d)

30 - 14 + 30 - 6

6.

A _____________ is a symbol, usually a letter that stands for a number.

a)

coefficient

b)

algebraic expression

c)

variable

d)

term

7.

Translate: 35 multiplied by the quantity of r plus 45

a)

$35\left(r+45\right)$

b)

$35r+45$

c)

$35\cdot r+45$

d)

$\frac{35}{r+45}$

8.

What is the inverse of addition?

a)

Addition

b)

Multiplication

c)

Subtraction

d)

Division

9.

Select the correct inverse operation for the following problem:

y + 53 = 99

a)

Add 99

b)

Add 53

c)

Subtract 99

d)

Subtract 53

10.

The variable, k, is being divided by 11. How should you show your work to isolate the variable?

a)

Divide both sides by 11

b)

Multiply both sides by 11.

c)

Add 11 to both sides.

d)

Subtract 11 to both sides.

11.

r + 20 = 27

a)

r = 7

b)

r = 47

c)

r = 13

d)

r = 20

12.

x/5 = 20

a)

x = 4

b)

x =100

c)

x =3

d)

x =25

13.

r - 18 = 27

a)

r = - 45

b)

r = 45

c)

r = - 9

d)

r = 9

14.

6x = 30

a)

x = 5

b)

x = 24

c)

x = 6

d)

x = 36

15.

Evaluate 2r + 1 if r = 3

a)

6

b)

5

c)

7

d)

8

16.

Which inequality represents the graph?

a)

X > 3

b)

X $\ge$ 3

c)

X < 3

d)

X $\le$ 3

17.

Which inequality represents the graph?

a)

X < 4

b)

X undefined4

c)

X > 4

d)

X $\ge$ 4

18.

Which of the following choices are solutions to the inequality?

x > 4

SELECT ALL THE APPLY

a)

3

b)

4

c)

5

d)

6

19.

Match:
You must be at least 48 inches tall to ride the bumper cars.

a)

h < 48

b)

h > 48

c)

h ≤ 48

d)

h ≥ 48

20.

x is no more than 13

a)

x < 13

b)

x > 13

c)

x ≥ 13

d)

x ≤ 13

21.

Solve the following equation for x:
10x - 6x = 23 + 5

a)

x = 18/16

b)

x = 6

c)

x = 7

d)

x = 1

22.

Solve the following equation for x:
3x + 8 = 8 + 3x

a)

x = 3

b)

x = 8

c)

infinite solutions

d)

x = 0

23.

Which of the following equations would have no solution?

a)

3x - 2 = 2 - 3x

b)

10 + 4x = 4x + 10

c)

9 + 2x = 3x + 9

d)

12x + 4 = 12x + 8

24.

Solve the linear inequality.

a)

x < 5

b)

x > 5

c)

x < 5

d)

x > 5

25.

Solve the linear inequality.

a)

x > -2

b)

x < -2

c)

x < 2

d)

x > 2

26.

Solve $4x-10\le22$

a)

$x\le8$

b)

$x\le3$

c)

$x\ge8$

d)

$x\ge3$

27.

Anita is saving for college and wants to take no fewer than $3000 with her for the fall semester. Her summer job pays $9/hour. She has already saved $720. How many hours will Anita have to work during the rest of the summer to meet her goal? Select the inequality that models the situation if h represents the number of hours Anita will need to work.

a)

$720+9h\ge3000$

b)

$9+720h\ge3000$

c)

$720+9h>3000$

d)

$9+720h>3000$

28.

Solve the linear inequality.

a)

x < 5

b)

x > 5

c)

x < 5

d)

x > 5

29.

Which property justifies the work between step 1 and step 2?

Step\ 1:\ \ \ \ \ 10-2k=k-5-3k

Step\ 2:\ \ \ \ \ \ 10-2k=-5-2k

a)

Distributive Property

b)

Combine Like Terms

c)

Multiplication Property of Equality

d)

Division Property of Equality

30.

Which property justifies the work shown?

$10-2k=-5-2k$
$10+0k=-5$

a)

Distributive Property

b)

Addition Property of Equality

c)

Subtraction Property of Equality

d)

Multiplication Property of Equality

e)

Division Property of Equality

31.

Which property justifies the work shown?

$-12-8x=-10x$
$-12=-2x$

a)

Distributive Property

b)

Addition Property of Equality

c)

Subtraction Property of EQualoity

d)

Multiplication Property of Equality

e)

Division Property of Equality

32.

Which property justifies the work shown?

$8n+42=8\left(n+5\right)$
$8n+42=8n+40$

a)

Distributive Property

b)

Addition Property of Equality

c)

Subtraction Property of Equality

d)

Multiplication Property of Equality

e)

Division Property of Equality

33.

Which property justifies the work shown?

$8n+42=8n+40$
$8n+2=8n$

a)

Distributive Property

b)

Addition Property of Equality

c)

Subtraction Property of Equality

d)

Multiplication Property of Equality

e)

Division Property of Equality

34.

Which property justifies the work shown?

$-2\left(w+2\right)=-2\left(w+5\right)+6$
$-2x-4=-2w-10+6$

a)

Distributive Property

b)

Addition Property of Equality

c)

Subtraction Property of Equality

d)

Multiplication Property of Equality

e)

Division Property of Equality

35.

Lisa correctly solved an equation and got $10=-5$ as her answer. What type of solution does this equation have?

a)

One Soluton

b)

No Solution

c)

Infiniite Solutions

36.

Tiffany correctly solved an equation and got $6=x$ as her answer. What type of solution does this equation have?

a)

One Solution

b)

No Solution

c)

Infinite Solutions

37.

Mark correctly solved an equation and got $-4=-4$ as his answer. What type of solution does Mark's equation have?

a)

One Solution

b)

No Solution

c)

Infinite Solutions

38.

Nick correctly solved an equation and got $0=-2$ as his answer. What type of solution does Nick's equation have?

a)

One Solution

b)

No Solution

c)

Infinite Solutons

39.

Sarah incorrectly solved the equation $-6\left(7n+7\right)=-294$ as shown.

Step 1: -6(7n + 7) = -294
Step 2: -42n - 42 = -294
Step 3: -42n = -336
Step 4: n = 8
Between which two steps did Sarah make a mistake?

a)

Step 1 and Step 2

b)

Step 2 and Step 3

c)

Step 3 and Step 4

40.

Peter incorrectly solved the equation $86=-5(-6+2x)+3x$ as shown.

Step 1: 86 = -5(-6 + 2x) + 3x
Step 2: 86 = 30 + 10x + 3x
Step 3: 86 = 30 + 13x
Step 4: 56 = 13x
Step 5: 4.3 = x

a)

Step 1 and Step 2

b)

Step 2 and Step 3

c)

Step 3 and Step 4

d)

Step 4 and Step 5

41.

Taylor correctly solved an equation and got 3x = 3x as his answer. What type of solution does this equation have?

a)

One Solution

b)

No Solution

c)

Infinite Solutions

42.

Brian correctly solved an equation and got 8 = -11 as his answer. What type of solution does this equation have?

a)

One Solution

b)

No Solution

c)

Infinite Solutions

43.

Sally correctly solved an equation and got w = 15 as her answer. What type of solution does this equation have?

a)

One Solution

b)

No Solution

c)

Infinite Solutions

44.

Brook correctly solved an equation and got x = x as her answer. What type of solution does this equation have?

a)

One Solution

b)

No Solution

c)

Infinite Solutions

45.

Lisa correctly solved an equation and got 5 = 1 as her answer. What type of solution does this equation have?

a)

One Solution

b)

No Solution

c)

Infinite Solutions

46.

Ethan correctly solved an equation and got r = -3 as his answer. What type of solution does this equation have?

a)

One Solution

b)

No Solution

c)

Infinite Solutions

47.

Peter correctly solved an equation and got 0x = 0x as his answer. What type of solution does this equation have?

a)

One Solution

b)

No Solution

c)

Infinite Solutions

48.

Michelle correctly solved an equation and got p = -3.5 as her answer. What type of solution does this equation have?

a)

One Solution

b)

No Solution

c)

Infinite Solutions

49.

Which property justifies the work shown?

$10-2k=-5-2k$
$10+0k=-5$

a)

Distributive Property

b)

Addition Property of Equality

c)

Subtraction Property of Equality

d)

Multiplication Property of Equality

e)

Division Property of Equality

50.

Which property justifies the work shown?

$8n+42=8\left(n+5\right)$
$8n+42=8n+40$

a)

Distributive Property

b)

Addition Property of Equality

c)

Subtraction Property of Equality

d)

Multiplication Property of Equality

e)

Division Property of Equality

51.

Sarah incorrectly solved the equation $-6\left(7n+7\right)=-294$ as shown.

Step 1: -6(7n + 7) = -294
Step 2: -42n - 42 = -294
Step 3: -42n = -336
Step 4: n = 8
Between which two steps did Sarah make a mistake?

a)

Step 1 and Step 2

b)

Step 2 and Step 3

c)

Step 3 and Step 4

52.

Solve for y:

5x + y = 16

a)

y = -5x + 16

b)

y = 5x + 16

c)

y = 5y - 16

d)

y = -5x - 16

53.

Solve m - n = 5 for m.

a)

m = n + 5

b)

m = n - 5

c)

m = 5n

d)

m = 5 - n

54.

Solve -2 = 4r + s for s.

a)

s = -4r + 2

b)

s = 4r - 2

c)

s = -4r - 2

d)

s = 4r + 2

55.

Solve IR = V for R.

a)

R = IV

b)

R = ^I/_V

c)

R = ^V/_I

d)

R = V - I

56.

The owner of a small computer repair business has one employee, who is paid an hourly rate of $22. The owner writes an expression 8600 - 22x to represent his weekly profit. What does x represent in this expression?

a)

the number of hours the one employee worked per week.

b)

the number of days the one employee worked per week.

c)

the number of computers repaired per week.

d)

the number of customers served per week.

57.

Darweshi saved $250 for the beginning of summer. He spent $35 of his money each week.

The expression 250 - 35x can represent Darweshi’s money after summer started. In this expression, what does 250 represent?

a)

the amount of money he spent each week.

b)

the amount of money he started the summer with.

c)

the number of weeks into the summer.

d)

the total money after summer started.

58.

Marguerite is taking her son to Target back-to-school shopping. She buys him a pair of pants for $17.50 and collared shirts for $5.00 each. Marguerite's total spending on her son's clothes at Target can be represented by the expression 5.00x + 17.50, where x is the number of shirts purchased. In this expression, what does the coefficient represent?

a)

the cost of each collared shirt.

b)

the cost of the pants.

c)

the number of shirts purchased.

d)

the total spending at Target.

59.

Will the graph be an open circle or closed circle? -6x + 1 < 4

a)

Closed Circle

b)

Flip the sign

c)

Open Circle

d)

Don't flip the sign

60.

Makayla began with $45 in her account. She saved $15 every week, She now has more than $205.

a)

15w + 45 < 205

b)

15w + 45 > 205

c)

45a + 15 < 205

d)

45a + 15 > 205

61.

Which expression means:
15 miles less than Debbie

a)

d + 15

b)

d - 15

c)

15 - d

d)

15 + d

62.

you must be at least 48 inches to ride the roller coaster.

a)

x > 48

b)

x < 48

c)

x ≤ 48

d)

x ≥ 48

63.

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

a)

4m + 8

b)

8m - 4

c)

8m + 4

d)

4m - 8

64.

Translate this phrase into an algebraic expression.

The difference of 3 times a number and 7

Use the variable n to represent the unknown number.

a)

3 - 7n

b)

3n - 7

c)

3n + 7

d)

3 / 7n

65.

Translate this phrase into an algebraic expression.

The quotient of twenty and a number

Use the variable n to represent the unknown number.

a)

20/n

b)

20-n

c)

n+20

d)

n-20

66.

Translate this phrase into an algebraic expression.

2 times the difference of a number and 11

Use the variable t to represent the unknown number.

a)

2t - 11

b)

2(t - 11)

c)

2(t / 11)

d)

2 x t - 11

67.

Translate this phrase into an algebraic expression.

2 times the sum of a number and 15

Use the variable B to represent the unknown number.

a)

2(B+15)

b)

2B+15

c)

2B×15

d)

2×15B

68.

twice the sum of a number and 3 is 15

a)

2x+3=15

b)

2+3x=15

c)

2(x+3)=15

d)

3(x+2)

69.

Translate this phrase into an algebraic expression.

5 less than a number

Use the variable v to represent the unknown number.

a)

5 - v

b)

5v

c)

5 + v

d)

v - 5

70.

2 less than four times a number is that number

a)

2x-4=x

b)

2-4x=x

c)

2x-4=2

d)

4x-2=x

71.

5 more than half of a number is at least 12.

a)

$2x+5=12$

b)

$\frac{1}{2}x+5\ge12$

c)

$\frac{1}{2}x+5\le12$

d)

$\frac{x}{2}>12-5$

72.

2 less than the product of 4 and a number is at most 6

a)

$4n-2<6$

b)

$4n-2\le6$

c)

$2-4n\ge6$

d)

$4n-2>6$

73.

You can spend no more than 20 dollars on your mom's birthday present.

a)

x > 20

b)

x < 20

c)

x ≤ 20

d)

x ≥ 20

74.

You and your friends ate more than 8 slices of pizza at the party.

a)

x > 8

b)

x < 8

c)

x ≤ 8

d)

x ≥ 8

75.

You spent less than 5 hours on homework each night.

a)

x > 5

b)

x < 5

c)

x ≤ 5

d)

x ≥ 5

76.

Edith must read for a minimum of 20 minutes every night.

a)

x > 20

b)

x < 20

c)

x ≥ 20

d)

x ≤ 20

77.

All students must get at least a 60% for the year in order to pass math.

a)

x = 60

b)

x > 60

c)

x ≥ 60

d)

x ≤ 60

78.

There are no more than 18 students on the hall.

a)

s>18

b)

s<18

c)

s≤18

d)

s≥18

79.

At least 25 cats are on my porch.

a)

c<25

b)

c>25

c)

c≤25

d)

c≥25

80.

Determine the slope and y-intercept from the following equation: y = 3/2x + 3

a)

slope: 5 y-intercept: (0,3)

b)

slope: 3/2 y-intercept: (0,3)

c)

slope: 4 y-intercept: (0,3/2)

d)

slope: 1/5 y-intercept: (0,5)

81.

Find the slope from the table.

a)

-4

b)

1

c)

4

d)

-2

82.

Which equation represents the following graph?

a)

y = 3x + 2

b)

y = -2x + 3

c)

y = 2x + 3

d)

y = -3x + 2

83.

Find the slope

a)

-5/3

b)

-3/5

c)

5/3

d)

3/5

84.

Which is the graph of y=-x+2?

a)

A

b)

B

c)

C

d)

D

85.

What is the y-intercept for the given graph?

a)

(0,-5)

b)

(0,5)

c)

(0,1)

d)

(0,-1)

86.

Find the slope of the line.

a)

1/2

b)

-1/2

c)

2

d)

-2

87.

Find the value of y when x = 2.

a)

2

b)

6

c)

7

d)

8

88.

Which company shows a greater rate of change?

a)

Water's Edge Rafts

b)

Ryan's Rafts

89.

Which panda is growing faster?

a)

Mochi

b)

Kappa

c)

Po the dragon warrior

d)

Jack Black

90.

Which equation represents the following graph?

a)

y = 3x + 2

b)

y = -2x + 3

c)

y = 2x + 3

d)

y = -3x + 2

91.

Find the slope between the two given points: (-2,1) and (5,7)

a)

7/6

b)

2

c)

6/7

d)

-2

92.

Write down the equation of this line.

a)

y= 2x+1

b)

y= −2x+1

c)

y= 2x−½

d)

None of the above

93.

Which of the following is NOT a function?

a)

(2,1) (3,4) (5,7)

b)

(-1,9) (0,2)(-1,3)

c)

(4,8) (2,7) (8,2)

d)

(1,2) (2,3) (1,2)

94.

Which of the following is a nonlinear function?

a)

y=x+3

b)

$y=x^3$

c)

3x-4

d)

y=-x

95.

Type an equation that models the situation. At the beginning of the day, Kyrie has $1,000.00. Every hour, his amount grows by $50.

4 lines

96.

Write an equation for the table

4 lines

97.

Rate of change is the same as......

a)

y-intercept

b)

b

c)

slope

d)

initial value

98.

Initial value is the same as.......

a)

slope

b)

y-intercept

c)

rate of change

d)

y

99.

Which of the following is a nonlinear function?

a)

y=mx+b

b)

Quadratic

c)

straight line

d)

circle

100.

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.

a)

y = 3x + 2.5

b)

y = 2.50x + 3

c)

y = 2.50x

d)

y = 3x + 2.50

101.

_{What is the y-intercept of the line?}

a)

y = 1/2

b)

y = 1

c)

y = -1/2

d)

y = -1

102.

What is the y-intercept?

a)

7

b)

0

c)

1

d)

2

103.

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage. If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

a)

C = 0.20x + 15

b)

C =15 (0.20x)

c)

C = 15 + x + 0.20

d)

C = 0.20 + 15x

104.

Bob has $150 in his savings account and saves $40 per month. Which equation represents the amount Bob has in his account after x months?

a)

y = 150 + 40

b)

y = 40x + 150

c)

y = 150x + 40

105.

A holiday meal costs $12.50 a person plus a delivery fee of $30. Which equation represents the amount a holiday meal costs, including delivery, for x people?

a)

y = 30 + 12.5x

b)

y = 12.5 + 30

c)

y = 12.5 + 30x

106.

Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50. Which equation represents the total charges for x hours?

a)

y = 8.5 + 25.5

b)

y = 25.5 + 8.5x

c)

y = 8.5 + 25.5x

107.

A man is climbing down from 100 feet high descending 30 feet per minute.

a)

y = 100 - 30x

b)

y = 100 + 30x

c)

y = 100x + 30

d)

y = 100x - 30

108.

In order to join a dancing club, there is a $30 startup fee and a $4 monthly fee. Write an equation in slope-intercept form that models this situation. After how many months will the total cost be $58?

a)

7 months

b)

6 months

c)

5 months

d)

4 months

109.

Which situation below is representative of y-intercept?

a)

putting $300 a month into savings

b)

buying $30 worth of supplies for a lemonade stand

c)

Spending $3 per ride at the fair

d)

Paying $2 for parking every day

110.

Is this mapping a function or not a function?

a)

Function

b)

Not a Function

111.

Is this set of ordered pairs a function or not a function?

a)

Function

b)

Not a Function

112.

Is this table a function or not a function?

a)

Function

b)

Not a Function

113.

Find the slope between the two given points: (-2,1) and (5,7)

a)

7/6

b)

2

c)

6/7

d)

-2

114.

Which graph is linear?

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

115.

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

a)

D: {1, -3, -4,}
R: {0, 1, 2, -4}

b)

D:{-4, 0, 1, 2}
R:{-4, -3, 1}

c)

D:{0, 1, 2, 3, 4}
R:{1, -3, -4}

116.

What equation does the table represent?

a)

y=x+1

b)

y=x-1

c)

y=2x+1

d)

y=2x-1

117.

Write a rule: A plumber charges $50 for a house call plus $12 per hour for labor.

a)

y = 50 x + 12

b)

y = 50 + 12 x

c)

y = 62 x

d)

x = 50 + 12y

118.

Identify the slope and y-intercept of:
y = 1/5x + 5

a)

slope: 1/6 y-intercept: 4

b)

slope: 1/5 y-intercept: 5

c)

slope: 5/1 y-intercept: 5

d)

slope: 1 y-intercept: 5

119.

What is the age of the tree that is 8 feet tall?

a)

6 Years

b)

7 Years

c)

8 Years

d)

9 Years

120.

How many trees are 3 years old?

a)

1

b)

2

c)

0

d)

3

121.

How many trees are more than 6 feet tall?

a)

5

b)

1

c)

2

d)

4

122.

If a squirrel climbs to the top of each tree that is 6 years old, how far has the squirrel climbed?

a)

2 ft

b)

18 ft

c)

10 ft

d)

11 ft

123.

Which height has the greatest frequency?

a)

3 ft

b)

10 ft

c)

5 ft

d)

6 ft

124.

JoBeth draws a scatter plot that shows as the outside temperature increases, sales at her lemonade stand increase. Which best describes the scatter plot?

a)

The points show that as x-values increase, y-values increase.

b)

The points show that as x-values increase, y-values decrease.

c)

The points show that as x-values decrease, y-values stay the same.

d)

The points show that as x-values decrease, y-values increase.

125.

Which of the following best describes a scatter plot that shows no relationship between the x-values and the y-values?

a)

As x-values increase, the points are higher on the graph.

b)

As x-values decrease, the points are higher on the graph.

c)

The points are scattered around the graph.

d)

The points form a horizontal line.

126.

Which statement best describes the relationship between time shopping online and the number of stores visited?

a)

As the number of hours increases, the number of stores decreases.

b)

As the number of hours increases, the number of stores increases.

c)

The number of hours and the number of stores are about the same.

d)

As the number of hours decreases, the number of stores increases.

127.

How much time did the person who visited 3 stores spend shopping online?

a)

2 Hours

b)

10 Hours

c)

4 Hours

d)

3 Hours

128.

Mr. Reynosa plans to shop online for 4 hours for two days in a row. What is a reasonable prediction of how many stores he will visit?

a)

10

b)

8

c)

12

d)

22

129.

Molly collected data about the number of hours students studied and their scores on a test. The results are shown in the scatter plot. Which statement about the data is true?

a)

As study hours increase, test scores decrease.

b)

As study hours increase, test scores increase.

c)

As study hours increase, test scores stay the same.

d)

As study hours decrease, test scores increase.

130.

Which is a reasonable prediction of a test score for a student who studied for 1/2 hour?

a)

80

b)

100

c)

50

d)

5

131.

Which relationship could be represented by this scatter plot?

a)

As the number of muffins in a box increases, the price increases.

b)

As the speed of a car increases, the distance the car travels increases.

c)

As the population of a city increases, the number of schools in the

city increases.

d)

As the number of daylight hours increases, the number of night hours decreases.

132.

As the area of a garden increases, what happens to the number of plants in a garden?

a)

The number of plants decreases.

b)

The number of plants stays the same

c)

The number of plants increases faster.

d)

The number of plants increases.

133.

Describe the association between the number of lanes rented and the number of people bowling.

a)

Non-linear association

b)

Negative linear association

c)

No association

d)

Positive linear association

134.

Which conclusion is best supported by the scatterplot?

a)

As the length of a call increases, the cost of the call increases.

b)

As the length of a call increases, the cost of the call remains the same.

c)

As the length of a call increases, the cost of the call decreases.

d)

There is no relationship between the length of a call and the cost of the call.

135.

Describe the association for the graph.

a)

Linear and Positive

b)

Linear and Negative

c)

Non-Linear and Negative

d)

Non-Linear and Positive

e)

Non-Linear and No association

136.

Describe the Association for the graph.

a)

Linear and Negative

b)

Linear and Positive

c)

Non-Linear and No Association

d)

Non-Linear and Positive

e)

Non-Linear and Negative

137.

Describe the association for the graph.

a)

Linear and Positive

b)

Linear and Negative

c)

Non-Linear and Negative

d)

Non-Linear and Positive

e)

Non-Linear and No Association

138.

Describe the association for the graph.

a)

Linear and Positive

b)

Linear and Negative

c)

Non-Linear and Positive

d)

Non-Linear and Negative

e)

Non-Linear and No Association

139.

What type of correlation does this graph have?

a)

Linear and Negative

b)

Non-Linear and No Association

c)

Linear and Positive

d)

Non-Linear and Negative

e)

Non-Linear and Positive

140.

What type of correlation does this graph have?

a)

positive

b)

negative

c)

none

d)

all of the above

141.

Which scatter plot shows a negative relationship?

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

142.

Which scatter plot shows no relationship?

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

143.

Which scatter plot show a positive relationship?

a)

Graph A

b)

Graph B

c)

Graph C

d)

Graph D

144.

Which scatterplot does NOT suggest a linear relationship between x and y?

a)

b)

c)

d)

145.

Describe the association for the scatterplot based on data plotted.

a)

As the weeks increase, the amount of money on the gift card increases.

b)

As the weeks decrease, the amount of money on the gift card increases.

c)

There is no relationship between the time in weeks and the amount of dollars.

d)

As the weeks increase, the amount of money on the gift card decreases.

146.

Which conclusion is best supported by the scatterplot?

a)

As the length of a call increases, the cost of the call increases.

b)

As the length of a call increases, the cost of the call remains the same.

c)

As the length of a call increases, the cost of the call decreases.

d)

There is no relationship between the length of a call and the cost of the call.

147.

Which best describes the form of this scatterplot?

a)

linear

b)

nonlinear

c)

scattered

d)

no correlation

148.

The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks. The scatter plot shows the results. Which statement is true?

a)

More ticket writers results in fewer tickets issued.

b)

There were 50 tickets issued every week.

c)

When there are 10 ticket writers, there will be 800 tickets issued.

d)

More ticket writers results in more tickets issued.

149.

Mr. Thomas wanted to know if the amount of class time that he gave students to study affected their test scores. What kind of relationship between class study time and test scores is shown on the scatter plot.

a)

No correlation

b)

Positive correlation

c)

Negative correlation

d)

Positive then negative correlation

150.

What type of association does this graph have?

a)

positive linear

b)

negative linear

c)

non-linear

d)

no association

151.

What type of association does this graph have?

a)

positive

b)

negative

c)

none

d)

all of the above

152.

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month. Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles?

a)

A. 50 min

b)

B. 80 min

c)

C. 45 min

d)

D. 60 min

153.

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

a)

12 chapters

b)

15 chapters

c)

18 chapters

d)

21 chapters

154.

A customer at a store paid $64 for 3 large candles and 4 small candles. At the same store, a second customer paid $4 more than the first customer for 1 large candle and 8 small candles. The price of each large candle is the same, and the price of each small candle is the same.

Which system of equations can be used to find the price in dollars of each large candle, x, and each small candle, y?

a)

4y = 3x + 64

8y = x + 68

b)

4y = 3x + 64

8y = x + 60

c)

3x + 4y = 64

x + 8y = 68

d)

3x + 4y = 64

x + 8y = 60

155.

Alexandra finds that she can give 3 haircuts and 2 hair dyes in 315 minutes. Giving 2 haircuts and 4 hair dyes takes 450 minutes. Which system of equations represents the situation?

a)

3x + 2y = 315
2x + 4y = 450

b)

3x + 2y = 450
2x + 4y = 315

c)

2x + 2y = 315
3x + 4y = 450

156.

On Monday Joe bought 10 cups of coffee and 5 doughnuts for his office at the cost of $16.50. It turns out that the doughnuts were more popular than the coffee. On Tuesday he bought 5 cups of coffee and 10 doughnuts for a total of $14.25. Which equations could be used to determine the cost of the coffee?

a)

10c + 5d = 14.25
5c + 10d = 16.50

b)

10c + 5d = 16.50
5c + 10d = 14.25

c)

c + d = 10
5c + 10d = 16.50

d)

c + d = 5
5c + 10d = 16.50

157.

Dennis mowed his next door neighbor’s lawn for a handful of dimes and nickels, 80 coins in all. Upon completing the job he counted out the coins and it came to $6.60. Which system of equations could be used to find the exact number of dimes and nickels?

a)

d + n = 6.60
.10d + .05n = 80

b)

d + n = 80
d + n = 6.60

c)

d + n = 80
.10d + .05n = 6.60

d)

d + n = 80
.05d + .10n = 6.60

158.

Last season two running backs on the Steelers football team rushed a combined total of 1550 yards. One rushed 4 times as many yards as the other. Let x and y represent the number of yards each individual player rushed. Which system of equations could be used?

a)

x + y = 1550

y = 4x

b)

x + y = 1550

y = x + 4

c)

y - x = 1550

y = 4x

d)

y = 1550 + x

y = x + 4

159.

The school that Stefan goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 3 senior citizen tickets and 1 child ticket for a total of $38. The school took in $52 on the second day by selling 3 senior citizen tickets and 2 child tickets. Which equations represents the system that could be used?

a)

1s + 3c = 38

2s + 3c = 52

b)

3s + 1c = 38

3s + 2c = 52

c)

s + c = 38

s + c = 52

d)

3s + 3c = 38

1s + 2c = 52

160.

Caitlin won a bag full of money! She has 49 bills in all. She counts $1430. There are twenty dollar bills and fifty dollar bills. How many of each bill does Caitlin have? Which system best represents the situation?

a)

x + y = 1430
20x + 50y = 49

b)

x + y = 49
10x + 5y = 1430

c)

x + y = 49
20x + 50y = 1430

d)

x + y = 49
x + y = 1430

161.

The talent show committee sold a total of 530 tickets in advance. Student tickets cost $3 each and the adult tickets cost $4 each. If the total receipts were $1740, which system could be used to find how many of each type of ticket were sold?

a)

S + A = 530
3S + 4A = 1740

b)

S + A = 530
4S + 3A = 1740

c)

S + A = 1740
3S + 4A = 530

d)

S + A = 1740
4S + 3A = 530

162.

Nancy went to the grocery story. On Monday she purchased 4 apples and 6 bananas for a total of $13. On Wednesday she purchased 3 apples and 7 bananas for a total of $13.50. Which system of equations represents the situation?

a)

4x + 6y = 3
13.5x - 13y = 6

b)

x + y = 4
x - y = 6

c)

4x + 6y = 13
3x + 7y = 13.5

d)

4x - 6y = 13
3x - 7y = 13.5

163.

At a college bookstore, Carla purchased a math textbook and a novel that cost a total of $54, not including tax. If the price of the math textbook, t, is $8 more than 3 times the price of the novel, n, which system of linear equations could be used to determine the price of each book?

a)

t + n = 54
t = 3n + 8

b)

t + n = 54
n = 3t + 8

c)

t + n = 54
t = 3n - 8

d)

t + n = 8
t = 3n + 54

164.

Josh is thinking of two numbers. Their sum is -10 and their difference is -2. Which system of equations represents the situation?

a)

x - y = -10
x + y = -2

b)

x = -2
y = 5

c)

x + y = -2
x - y = -10

d)

x + y = -10
x - y = -2

165.

Some students want to order shirts with their school logo. One company charges $9.65 per shirt plus a setup fee of $43. Another company charges $8.40 per shirt plus a $58 fee. Which equation represents the number of shirts when both companies charge the same amount?

a)

y = 9.65 + x
y = 8.40 + x

b)

y = 9.65x + 43
y = 8.40x + 58

c)

y =9.65x
y = 8.40x

d)

y = 9.65x - 43
y = 8.40x - 58

166.

Which ordered pair is the solution of the system graphed below?

a)

(2, 0)

b)

(8, 0)

c)

(-3, 5)

d)

(3, 8)

167.

What type of solution to at system of equations is shown in the graph?

a)

one solution

b)

no solution

c)

infinitely many solutions

168.

What is the solution?

a)

(1, -1)

b)

(-1, 1)

c)

(0, -2)

d)

(2, 0)

169.

Lesly graphed two lines in order to find the solution to a given system of equations.
What is the solution?

a)

(-3,-8)

b)

(-8,-3)

c)

(3,-8)

d)

(8,3)

170.

Solve graphically: $y\ =\ 5x\ +\ 4$

$-\frac{2}{3}x\ +\ y\ =\ 4$

(a)

171.

Solve graphically: $y\ =\ x$

$y\ +\ 2\ =\ x$

(a)

172.

Solve graphically: $y\ =\ x\ -\ 1$

$y\ =\ -2x\ +\ 5$

(a)

173.

The solution to this system is (a) .

174.

What is the type of solution to the system of equations?
y = -2x - 7
y = -2x + 8

a)

one solution

b)

no solution

c)

infinitely many solutions

175.

Solve graphically: $y\ =\ 6x\ +\ 11$

$y\ -\ 2x\ =\ 7$

(a)

Mid-Year Review 8th Grade

Total questions: 175

Worksheet time: 11hrs 52mins

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