Quiz about Unit 1-7 Review

Question 1

Cheddar cheese costs $4.25 per pound. Which equation best represents y, the total cost of x pounds of cheddar cheese?

Accepted Answer

y = 4.25x

Answer

x = 4.25 + y

Answer

x = 4.25y

Answer

y = 4.25 + x

Question 2

The table shows the relationship between y, the cost to rent a boat, and x, the amount of time the boat is rented. Which graph best represents the relationship between x and y shown in the table? (7.7A)

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 3

Solve the proportion.

Accepted Answer

k=5

Answer

k=45

Answer

k=60

Answer

k=90

Question 4

What is the equation for this line?

Accepted Answer

y = x + 2

Answer

y = x - 2

Answer

y = 2x

Answer

y = -x + 2

Question 5

What does "m" represent in y=mx+b?

Accepted Answer

slope

Answer

y-intercept

Answer

macaroni

Answer

nothing

Question 6

What is the y-intercept in the following equation:  y=-4x-5

Accepted Answer

-5

Answer

-4

Answer

-4x

Answer

5

Question 7

Write the equation for the line.

Accepted Answer

y= 4x+3

Answer

y= -1x+3

Answer

y=1/4x+3

Answer

y= -4x+3

Question 8

What is the constant of proportionality for this table?

Accepted Answer

$9 per hour

Answer

$1/9 per hour

Answer

$8 per hour

Question 9

A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

Accepted Answer

15 customers per hour

Answer

16 customers per hour

Answer

12 customers per hour

Answer

20 customers per hour

Question 10

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

Accepted Answer

$1.25 per pound

Answer

$1 per pound

Answer

$2 per pound

Answer

$1.50 per pound

Question 11

A 6-ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a 10-ounce package?

Accepted Answer

75 Pieces

Answer

27-ounces

Answer

27 pieces

Answer

75-ounces

Question 12

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

Accepted Answer

$1.50

Answer

$12

Answer

$3

Answer

$1

Question 13

At what rate did the rain fall?

Accepted Answer

2 cm per hour

Answer

¹/₄ cm per hour

Answer

¹/₂ cm per hour

Answer

4 cm per hour

Question 14

Find the slope

Accepted Answer

-5/3

Answer

-3/5

Answer

5/3

Answer

3/5

Question 15

What is the slope?

Accepted Answer

2

Answer

1/2

Answer

7

Answer

3

Question 16

A refrigerator is priced at $525.50. There is a 6% sales tax rate. What is the sales tax for the refrigerator in dollars and cents?

Accepted Answer

$31.53

Answer

$87.58

Answer

$875.83

Answer

$315.30

Question 17

A doctor has an annual income of $152,125. The income tax the doctor has to pay is 6%. What is the amount of income tax in dollars and cents that the doctor has to pay?

Accepted Answer

$9,127.50

Answer

$912.75

Answer

$2,535,416.67

Answer

$253,541.67

Question 18

Felicia wants to buy a pair of sunglasses for $89.75 and a pair of pants for $39.50. If the sales tax rate is 8.25%, what will be the amount of sales tax on Felicia's purchase?

Accepted Answer

$10.66

Answer

$106.63

Answer

$2154.17

Answer

$215.42

Question 19

A laptop is priced at $1387.50. There is a 6% sales tax rate. What is the sales tax for the laptop in dollars and cents?

Accepted Answer

$83.25

Answer

$23,125

Answer

$2,312.50

Answer

$832.50

Question 20

If b is a number, choose the best representation of the number sentence shown:
"A number is fifty less than 90."

Accepted Answer

b = 90 - 50

Answer

b = 90 + 50

Answer

b - 50 = 90

Answer

b - 90 = 50

Question 21

The sum of twice the number and negative eight

Accepted Answer

2a + (-8)

Answer

a + (-8)

Answer

a + 8

Answer

2a + 8

Question 22

the sum of a number and negative six

Accepted Answer

a + (-6)

Answer

2a + (-6)

Answer

a + 6

Answer

2a + 6

Question 23

the difference of twice a number and four

Accepted Answer

2a - 4

Answer

2a + 4

Answer

2 - 4

Answer

a - 4

Question 24

Convert 4.5% to a decimal.

Accepted Answer

.045

Answer

4.5

Answer

.45

Answer

.0045

Question 25

Convert 15% to a decimal.

Accepted Answer

.15

Answer

15

Answer

1.5

Answer

.015

Question 26

You deposit $450 into an account that earns simple interest at an annual rate of 4.5%. Which expression could be used to find the amount of money in the account after 2 years?

Accepted Answer

450(0.045)(2)

Answer

450(0.45)(2)

Answer

450 + 450(0.045)(2)

Answer

450 + 450(0.45)

Question 27

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

Accepted Answer

Time

Answer

Principle

Answer

Interest

Answer

Percent Rate

Question 28

The simple interest formula is I=Prt.  The P represents the principle.  The principle is ___________________.

Accepted Answer

the amount of money borrowed or deposited

Answer

the percent interest for his year

Answer

the amount taxed

Answer

the amount the bank owes you for being a customer at their bank

Question 29

Starting money = $350.
Interest rate = 2.5%
TIme = 3 years.
How much interest?

Accepted Answer

$26.25

Answer

$7.50

Answer

$87.5

Answer

$262.50

Question 30

Property owned by a person or company, regarded as having value is an __________

Accepted Answer

asset

Answer

liability

Answer

net worth

Answer

pizza

Question 31

What is another word for house payment?

Accepted Answer

Mortgage

Answer

Wages

Answer

Net Worth

Answer

Book

Question 32

The difference of what you own and what you owe (the difference between assets and liabilities)

Accepted Answer

net worth

Answer

asset

Answer

liability

Answer

coconut

Question 33

Assets-Liabilities=

Accepted Answer

net worth

Answer

assets

Answer

expenses

Answer

savings

Question 34

Assets=$20,000

Liabilities=$50,000

What is the net worth?

Accepted Answer

- $30,000

Answer

$80,000

Answer

- $80,000

Answer

$30,000

Question 35

Which of the following is an asset?

Accepted Answer

jewelry

Answer

mortgage

Answer

school loan

Answer

credit card bill

Question 36

You can have negative Net Worth.

Accepted Answer

True

Answer

False

Question 37

A thing for which someone is responsible, especially a debt or financial obligation is a _____.

Accepted Answer

liability

Answer

asset

Answer

net worth

Answer

bacon

Question 38

Bills and Loans are examples of ________?

Accepted Answer

Liabilities

Answer

Assets

Answer

Net worth

Answer

Pickles

Question 39

How can you INCREASE Net Worth? (Check all that apply)

Accepted Answer

Decrease Liabilities

Accepted Answer

Increase Assets

Answer

Decrease Assets

Answer

Increase Liabilities

Question 40

It takes Anastasia 45 minutes to walk 2 1/2 miles to the park. At this rate, how many minutes should it take her to walk 3 miles?

Accepted Answer

54

Answer

50

Answer

58

Answer

67.5

Question 41

At Emily's summer camp, there were 80 girls and 12 counselors. At this rate, how many counselors should they have for 100 girls?

Accepted Answer

15

Answer

10

Answer

14

Answer

16

Question 42

There were 75 people waiting in line for concert tickets. Only 40% actually got tickets. How many got tickets?

Accepted Answer

30

Answer

45

Answer

35

Answer

50

Question 43

Lisa and her date spent $87.70. They want to leave a 20% tip. What amount would be reasonable for the tip?

Accepted Answer

$20.00

Answer

$10.00

Answer

$25.00

Answer

$31.00

Question 44

Mr. Hammer received a notice from his employer that the cost of his health insurance, every pay period, will increase by 8%. If the new cost will be $28.35, what was the original cost of his insurance?

Accepted Answer

$26.25

Answer

$26.08

Answer

$26.81

Answer

$27.27

Question 45

Courtney got 64 out of 75 correct on a test. What is the best estimate of the percentage Courtney got right?

Accepted Answer

85%

Answer

64%

Answer

75%

Answer

117%

Question 46

12 ounce shampoo bottle lasts Mike 16 weeks.  How long would you expect an 18-ounce bottle of the same brand to last him?

Accepted Answer

24 weeks

Answer

6 weeks

Answer

30 weeks

Answer

20 weeks

Question 47

Which answer choice is the best first step to solve?

Accepted Answer

Add 6 to both sides.

Answer

Add 2 to both sides.

Answer

Subtract 6 from both sides.

Answer

Multiply by 2 on both sides.

Question 48

Which is the solutions to the inequality below
-4x-4>36

Accepted Answer

x < -10

Answer

x> -10

Answer

4x< 10

Answer

x > 10

Question 49

Solve for x:
8x - 10 = -34

Accepted Answer

-3

Answer

4

Answer

3

Answer

-24

Question 50

Pick the correct letter for:
6 > x

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 51

Which number represents a whole number?

Accepted Answer

150/3

Answer

25.5

Answer

-13

Answer

36/5

Question 52

Which of the following represents a negative integer?

Accepted Answer

40/-4

Answer

-40/-4

Answer

40/4

Answer

-6.2

Question 53

Choose the best definition of the term INTEGERS...

Accepted Answer

Positive whole #s and their opposites and zero

Answer

Whole numbers

Answer

Negative numbers

Answer

Negative Numbers and Positive Numbers

Question 54

An example of an integer is...

Accepted Answer

-9

Answer

9.1

Answer

8/9

Answer

-2.3

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