Quiz about Review #2: Ratios and Proportions

Question 1

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

Accepted Answer

6/1

Answer

1 to 6

Answer

18/3

Answer

3/18

Question 2

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

Accepted Answer

18 minutes

Answer

8 minutes

Answer

9 minutes

Answer

16 minutes

Question 3

Which represents the relationship of oranges to fruit?

Accepted Answer

2:6

Answer

2:4

Answer

4:6

Answer

4:2

Question 4

At a summer camp, there are 40 girls out of 60 campers.  What is the ratio written in simplest form?

Accepted Answer

2/3

Answer

20/30

Answer

40/60

Answer

10/60

Question 5

The table below shows the number of miles Tony ran and the calories he burned per mile.  Which number completes the table?

Accepted Answer

160

Answer

180

Answer

200

Answer

240

Question 6

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

Accepted Answer

24 Weeks

Answer

24-ounce bottle

Answer

10.6 Weeks

Answer

10.6-ounce bottle

Question 7

The proportion of y:x is 9:3. Which table shows this proportion?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 8

Which table shows a proportional relationship between x and y?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 9

The ratio of boys to girls in the band is 25 to 75. What is the ratio of girls to total students in the band?

Accepted Answer

75 to 100

Answer

25 to 75

Answer

75 to 25

Answer

25 to 100

Question 10

There are 25 boys and 15 girls in a class. What is the ratio of girls to boys as a fraction in simplest form?

Accepted Answer

3/5

Answer

5/3

Answer

9/5

Answer

5/9

Question 11

What is the missing value in the table?

Accepted Answer

12

Answer

4

Answer

15

Answer

16

Question 12

Which graph shows a proportion?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 13

A car traveling at a constant speed drove 165 miles in 3 hours. What was the car's speed?

Accepted Answer

55 miles per hour

Answer

495 miles per hour

Answer

55 hours per mile

Answer

495 hours per mile

Question 14

The price of 3 pizzas at a restaurant is $21. If all the pizzas are the same price, which graph shows the pirce of pizzas at the restaurant?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 15

Which table shows the same relationship as the line?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 16

What makes a graph proportional?

Accepted Answer

Straight line and the line goes through the origin

Answer

Straight line

Answer

The line goes through the origin

Answer

Curvy line

Question 17

How do you write an ordered pair?

Accepted Answer

(X,Y)

Answer

(X,X)

Answer

(Y,X)

Answer

(Y,Y)

Question 18

Ordered pair (0,0) is also known as the ___.

Accepted Answer

origin

Answer

y-axis

Answer

x-axis

Question 19

Does the graph show a proportional relationship?

Accepted Answer

No

Answer

Yes

Question 20

Question 20.

Accepted Answer

Proportional

Answer

Non-proportional

Question 21

Question 21.

Accepted Answer

Non-proportional

Answer

Proportional

Question 22

Which of the following rates of change represents the graph shown?

Accepted Answer

2 boys for every 1 girl

Answer

0.5 boys for every 1 girl

Answer

6 boys for every 1 girl

Answer

3 boys for every 1 girl

Question 23

What is the unit rate in this proportional relationship?

Accepted Answer

60 miles/1 hour

Answer

120 miles/ 2 hours

Answer

1 mile/ 1 hour

Question 24

Doritos $4.39 for 11.5 oz.
or
Cheetos $2.24 for 9.75 oz.
Find the unit price of each and choose the better deal.

Accepted Answer

Cheetos

Answer

Doritos

Question 25

Which is the better buy?

Accepted Answer

A 6-pack of t-shirts for $3.12

Answer

A 4 pack of t-shirts for $2.24

Answer

An 8 pack of t-shirts for $4.24

Question 26

In the equation y = 14x, what is the constant of proportionality?

Accepted Answer

14

Answer

y

Answer

x

Answer

1/14

Question 27

What does k represent in the equation y = kx?

Accepted Answer

constant of proportionality

Answer

konkrete kids

Answer

kangaroos

Answer

krispy kreme

Question 28

Is this table proportional?

Accepted Answer

No

Answer

Yes

Question 29

Which statement below accurately represents the graph?

Accepted Answer

$500 is earned for every 8 hours worked

Answer

$100 is earned for each hour worked

Answer

$200 earned for every 2 hours worked
is the unit rate

Answer

$300 is earned after working 4 hours

Question 30

Which equation matches the graph?

Accepted Answer

y = 7x

Answer

y = 42x

Answer

y = 6x

Answer

y = 2x

Question 31

Write the equation for the table given.

Accepted Answer

y=8x

Answer

y = 16x

Answer

y=12x

Question 32

What is the constant of proportionality for this table?

Accepted Answer

$9 per hour

Answer

$1/9 per hour

Answer

$8 per hour

Question 33

Which statement below accurately represents the graph?

Accepted Answer

$500 is earned for every 8 hours worked

Answer

$100 is earned for each hour worked

Answer

$200 earned for every 2 hours worked
is the unit rate

Answer

$300 is earned after working 4 hours

Question 34

A proportional relationship can be written as an equation in the form ____ = _____  _____

Accepted Answer

y = kx

Answer

y = k+x

Answer

y = k-x

Answer

y = k/x

Question 35

$$\frac{4}{7}=\frac{2}{4}$$

Accepted Answer

False

Answer

True

Question 36

$$\frac{2}{3}=\frac{4}{6}$$

Accepted Answer

True

Answer

False

Question 37

$$\frac{4}{5}=\frac{8}{x}$$

Accepted Answer

x = 10

Answer

x = 8

Answer

x = 4

Answer

x = 5

Question 38

$$\frac{x}{5}=\frac{8}{10}$$

Accepted Answer

x=4

Answer

x=7

Answer

x=2

Answer

x=3

Question 39

$$\frac{25}{1}=\frac{x}{3}$$

Accepted Answer

x=75

Answer

x=50

Answer

x=27

Answer

x=43

Question 40

Question 40.

Accepted Answer

x = 26

Answer

x = 16

Answer

x = 28

Answer

x = 1/26

Question 41

Question 41.

Accepted Answer

x = 28

Answer

x = 6

Answer

x = 25

Answer

x = 17

Question 42

Question 42.

Accepted Answer

c = 8

Answer

c = 4

Answer

c = 14

Answer

c = 10

Question 43

What is a proportion?

Accepted Answer

When two ratios are equivalent and show the same value

Answer

When two ratios can be simplified

Answer

When two ratios have the exact same numbers

Answer

When two ratios can be multiplied by 2

Question 44

If the relationship in the table is proportional, write its equation.

Accepted Answer

$$y=0.143x$$

Accepted Answer

$$y=\frac{1}{7}x$$

Answer

$$x=0.143y$$

Answer

$$x=\frac{1}{7}y$$

Answer

The relationship is not proportional

Question 45

If the relationship in the table is proportional, write its equation.

Accepted Answer

$$y=9x$$

Answer

$$x=9y$$

Answer

$$y=18x$$

Answer

$$x=18y$$

Answer

The relationship is not proportional

Question 46

Does the table represent a proportional relationship?

Accepted Answer

No.

Answer

Yes.

Question 47

What is a unit rate?

Accepted Answer

A comparison of two quantities where the denominator is always 1 unit

Answer

A rate that compares 2 different quantities

Answer

a rate with units

Answer

a comparison of two quantities where the first quantity is always 1

Question 48

When two quantities simplify to a constant ratio they have a ...

Accepted Answer

Proportional Relationship

Answer

Non Proportional Relationship

Question 49

In the equation y = 14x, what is the constant of proportionality?

Accepted Answer

14

Answer

y

Answer

x

Question 50

What is the equation for this table? Use y=kx format.

Accepted Answer

y=8x

Answer

y=0.125x

Answer

y=2x

Answer

y=5x

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