Quiz about Proportional Relationships

Question 1

Write an equation for this relationship.

Accepted Answer

y=5x

Answer

y=1/5x

Answer

y=1/2x

Answer

y=2x

Question 2

Which line shows a proportional relationship between x and y?

Accepted Answer

Line L

Answer

Line M

Question 3

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 4

Which statement best describes the relationship between x and y in the table?

Accepted Answer

Proportional

Answer

Not Proportional

Question 5

Which graph is non-proportional?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 6

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality that relates cost in dollars, y, to the number of pounds of grapes, x?

Accepted Answer

6.09

Answer

20.36

Answer

8.12

Answer

28.36

Question 7

What makes a graph proportional?

Accepted Answer

Straight line and passes through (0,0)

Answer

Straight Line

Answer

The line goes through (0,0)

Answer

Curvy line

Question 8

Is the graph proportional or non proportional?

Accepted Answer

non proportional

Answer

proportional

Question 9

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 10

What is the constant of proportionality?

Accepted Answer

15

Answer

5

Answer

75

Answer

25

Question 11

What is the constant of proportionality (in miles per hour) based on the table?

Accepted Answer

45

Answer

90

Answer

135

Answer

2

Question 12

Which equation matches the graph?

Accepted Answer

y = 8x

Answer

y = 1x

Answer

y = 3x

Answer

y = 16x

Question 13

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 14

What is the constant of proportionality?

Accepted Answer

$9

Answer

$3

Answer

$4

Answer

$2

Question 15

Why does this graph show a non-proportional relationship?

Accepted Answer

It does not go through the origin

Answer

Because it is proportional

Answer

It goes through the origin

Answer

It is a straight line

Question 16

A machine packs boxes at a constant rate of 2/3 a box every 1/2 a minute.  What is the number of boxes it packs per minute?

Accepted Answer

4/3

Answer

1/3

Answer

3/4

Answer

7/6

Question 17

A store sees 120 customers in 8 hours. What is the constant of proportionality?

Accepted Answer

15 customers per hour

Answer

16 customers per hour

Answer

12 customers per hour

Answer

20 customers per hour

Question 18

The constant of proportionality can be found by finding the __________  _____________.

Accepted Answer

unit rate

Answer

ratio rate

Answer

proportion answer

Answer

rational number

Question 19

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 20

On Saturday, Dr. Morrison drove 340 miles in 5 hours. On Sunday, he drove 198 in 3 hours. Based on this information, which statement is true?

Accepted Answer

His rate on Sunday was 2 miles per hour slower than his rate on Saturday.

Answer

His rate on Saturday was 2 miles per hour slower than his rate on Sunday.

Answer

His rate on Saturday was the same as his rate on Sunday.

Answer

His rate on Sunday was 2 miles per hour faster than his rate on Saturday.

Proportional Relationships

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