Quiz about Constant of Proportionality, Unit Rates, and Constant Rates

Question 1

What is the unit rate, or constant of proportionality?

Accepted Answer

$9

Answer

$3

Answer

$4

Answer

$2

Question 2

What is the unit rate, or constant of proportionality?

Accepted Answer

3

Answer

5

Answer

10

Answer

12

Question 3

What is the unit rate, or constant of proportionality?

Accepted Answer

45

Answer

90

Answer

135

Answer

2

Question 4

What is the unit rate, or constant of proportionality?

Accepted Answer

3

Answer

1/3

Answer

1/2

Answer

2

Question 5

Mikey is swimming a relay race. Here are his stats:

50 meters in 10 seconds150 meters in 30 seconds300 meters in 60 seconds

Is this a proportional relationship? If so, find the constant of proportionality?

Accepted Answer

It is a proportional relationship; the constant is 5 meters every 1 second.

Answer

Not a proportional relationship; no constant

Answer

It is a proportional relationship; no constant

Answer

Not a proportional relationship; the constant is 50 meters every 10 seconds.

Question 6

Calculate the unit rate: If a cyclist travels 120 miles in 4 hours, what is the speed in miles per hour?

Accepted Answer

30 mph

Answer

25 mph

Answer

35 mph

Answer

40 mph

Question 7

The constant of proportionality is also the unit rate.

Accepted Answer

True

Answer

False

Question 8

Identify the constant of proportionality. Write your answer as y=kx

Accepted Answer

y=7x

Answer

y=14x

Answer

y=2x

Answer

y=6x

Question 9

The constant of proportionality is the same as finding what?

Accepted Answer

All of the above

Answer

unit rate

Answer

unit price or unit cost

Answer

the y value divided by the x value

Question 10

What is the constant of proportionality?

Accepted Answer

8

Answer

4

Answer

1/4

Answer

1/8

Question 11

The cost to rent a bike at Tropical Park is $25 for 1 hour. If the cost to rent a bike for 2 hours is $50 and the cost to rent a bike for 3 hours is $75, which of the following statements are true? SELECT ALL THAT APPLY

Accepted Answer

The example shows a direct variation between the cost and hours to rent a bike.

Accepted Answer

The constant is $25 per 1 hour.

Accepted Answer

The example shows a proportional relationship.

Answer

The example shows a non-proportional relationship.

Question 12

The cost to rent a bike at Tropical Park is $25 for 1 hour. If the cost to rent a bike for 2 hours is $50 and the cost to rent a bike for 3 hours is $75, which of the following statements are true? SELECT ALL THAT APPLY

Accepted Answer

The example shows a direct variation between the cost and hours to rent a bike.

Accepted Answer

The constant is $25 per 1 hour.

Accepted Answer

The example shows a proportional relationship.

Answer

The example shows a non-proportional relationship.

Question 13

Question 13.

Accepted Answer

$1.53

Answer

$1.63

Answer

$1.57

Answer

$1.49

Question 14

True or False: The Constant of Proportionality is the SAME EXACT THING as a Unit Rate.

Accepted Answer

True

Answer

False

Question 15

In the vibrant city of Tomorrowland, Henry the drone zooms around delivering packages. His speed is directly proportional to the energy he consumes. If Henry uses 8 units of energy to cover a certain distance, can you figure out the constant of proportionality?

Accepted Answer

8

Answer

4

Answer

1/4

Answer

1/8

Question 16

In the vibrant city of Tomorrowland, Henry the drone zooms around delivering packages. His speed is directly proportional to the energy he consumes. What would be the earnings in 8 hours?

Accepted Answer

$64

Answer

$70

Answer

$52

Answer

$1

Question 17

What is the unit rate, or constant of proportionality?

Accepted Answer

k = 10

Answer

k = 8

Answer

k = 6

Answer

k = 4

Question 18

What is the unit rate, or constant of proportionality?

Accepted Answer

k = 3

Answer

k = 6

Answer

k = 9

Answer

k = 12

Constant of Proportionality, Unit Rates, and Constant Rates

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