Quiz about Proportionality Review

Question 1

When we compare quantities, we compare them as _____ over ______.

Accepted Answer

y over x

Answer

x over y

Answer

rate over one

Answer

peanut butter over jelly

Question 2

Which best describes the relationship represented in this table?

Accepted Answer

proportional

Answer

non-proportional

Question 3

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 4

Write the equation for the table given.

Accepted Answer

y = 3x

Answer

y = 1/3x

Answer

y = 1/2x

Answer

y=x

Question 5

Chef Christopher M. is making chicken pot pies. He recorded the equivalent weights in pounds and ounces of four chicken pot pies as shown in the table above.

Based on the information in the table, which proportion can be used to convert 30 ounces to pounds?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 6

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 7

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 8

Accepted Answer

H

Answer

F

Answer

G

Answer

J

Question 9

What is the constant of proportionality for the following graph?

Accepted Answer

40

Answer

80

Answer

20

Answer

160

Question 10

What is the constant of proportionality that relates y, the total pieces of candy, to x, the number of bags of candy purchased?

Accepted Answer

75

Answer

222

Answer

60

Answer

55

Question 11

The distance between two towns is 120 kilometers. There are approximately 8 kilometers in 5 miles.

Which measurement is closest to the number of miles between these two towns?

Accepted Answer

75 mi

Answer

3 mi

Answer

192 mi

Answer

117 mi

Question 12

Felicia drew a map of the Panama Canal. In the scale Felicia used for the map, 2 centimeters represents 20 kilometers. The actual length of the Panama Canal is 82 kilometers.

What is the length in centimeters of the Panama Canal of Felicia's map?

Accepted Answer

8.2 cm

Answer

820 cm

Answer

31 cm

Answer

112 cm

Question 13

Solve for x

Accepted Answer

16

Answer

13

Answer

14

Answer

15

Question 14

Choose the best explaination

Accepted Answer

Taylor can write 25 words per minute

Answer

Taylor can write 6 words per minute

Answer

Taylor can write 50 words per minute

Answer

Taylor can write 150 words per minute

Question 15

Which equation matches the table?

Accepted Answer

y =4 x + 7

Answer

y = 1/4x +11

Answer

y = 4x -11

Answer

y = 11x + 4

Question 16

Does this graph show a proportional relationship?

Accepted Answer

No, because it does not go through the origin.

Answer

Yes, because it is linear

Answer

Yes, because it is linear and goes through the origin.

Answer

No, because it is not linear

Question 17

Sally will earn $30 for every 5 hours that she babysits. Which of the following equations can be used to represent the proportional relationship?

Accepted Answer

y = 6x

Answer

y = 1/6x +30

Answer

y = 5x + 6

Answer

y = 6x +5

Question 18

Proportional relationships must go through the origin. (0,0)

Accepted Answer

True

Answer

False

Question 19

Which of these terms is NOT used to describe the "m" in the equation y=mx+b.

Accepted Answer

starting point

Answer

Constant rate of change

Answer

unit rate

Answer

Constant of proportionality

Question 20

Find the constant rate of change.

Accepted Answer

1/2

Answer

-1/2

Answer

2

Answer

-2

Question 21

What is the value of "b" in the following equation:

y = 2x

Accepted Answer

0

Answer

2

Answer

1

Answer

none of the above

Question 22

Johnny went to the carnival. It cost $7 to get in and $2 for every ticket.

Which equation would match this verbal description?

Accepted Answer

y = 2x + 7

Answer

y = 2x

Answer

y = 7x + 2

Answer

y = 7x + 0

Question 23

Billy opened a bank account with $200, and every week he spends $15.

Which equation best represents this situation?

Accepted Answer

y = -15x + 200

Answer

y = 15x - 200

Answer

y = 200x + 15

Answer

y = 15x + 200

Question 24

What values would be in the next row?

Accepted Answer

11 & 22

Answer

11 & 16

Answer

10 & 22

Answer

10 & 20

Question 25

Is this table proportional or non-proportional?

Accepted Answer

non-proportional

Answer

proportional

Question 26

Which statement matches the graph?

Accepted Answer

Taylor can write 25 words per minute

Answer

Taylor can write 6 words per minute

Answer

Taylor can write 50 words per minute

Answer

Taylor can write 150 words per minute

Question 27

In the equation, y = kx, what does "k" represent?

Accepted Answer

Constant of Proportionality

Answer

Constant Rate of Change

Answer

Input

Answer

Output

Question 28

Looking at the graph, is it proportional or non-proportional?

Accepted Answer

Non-Proportional

Answer

Proportional

Question 29

A dog walker earns $10 plus $3 per dog. What equation represents this model?

Accepted Answer

y=3x + 10

Answer

y=10x + 3

Answer

y=13x

Answer

y=10x - 3

Question 30

Is the following equation proportional or non proportional:
y= 4x - 5

Accepted Answer

Non Proportional

Answer

Proportional

Proportionality Review

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