Constant of Proportionality

Determine the constant of proportionality for the table. Express your answer as y = kx

• y = 30k

• y = 30x

• y = 0.03x

• y = 9x

Select ALL equations that are proportional.

• y = 3x

• y = 25x

• y = 7x

• y = 2x - 1

• y = 4000x

Identify the constant of proportionality.

• k = 2

• k = 4

• k = 1/2

• k = 1/4

• none (not proportional)

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

• unit rate

• ratio rate

• proportion answer

• rational number

The constant of proportionality is the same as finding what?

• unit rate

• unit price

• all of the above

Solve the following proportion:

• 34

• 8.5

• 15

• 10

What is the constant of proportionality?

• $3

• $4

• $2

• $9

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

Determine the constant of proportionality.

• 5

• 0.2

• 1

• 1.4

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality? 

• $37 per hour

• $64.75 per hour

• $9.25 per hour

• $18.50 per hour