Proportional Equations and Tables

If the constant of proportionality is 10, which of the following is the correct proportional equation?

• 10=kx

• 10=k

• y=10k

• y=10x

The cost for 2 lbs of apples is $1.84. Reduce the ratio to determine the equation, where x is the lbs of apples and y is the cost.

• y = .92x

• x = .92y

• y = 2x

• y = 1.84x

Which equation matches the table? 

• y = x + 4

• y = 5x

• y = x - 4

• y = x + 16

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

• unit rate

• ratio rate

• proportion answer

• rational number

What is the formula for a proportional relationship?

• y=kx

• y=k/x

• z=ykx

• y=ky

Does this equation represent a proportional relationship?

• Yes

• No

Sofie signs up for a gym membership that costs $35 per month.

• Proportional

• Non-Proportional

Which equation matches this table?

How many words are typed in 6 minutes?

• 6

• 120

• 240

• 720

How many tbsp of honey is needed for 20 cups of flour?

• 2

• 18

• 25

• 16