Constant of Proportionality with Equations

What is the formula for a proportional relationship?

• y=kx
• y=k/x
• z=ykx
• y=ky

Tags

CCSS.7.RP.A.2C

In the equation y = 14x, what is the constant of proportionality?

• y
• x
• 14

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

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

• 10=kx
• 10=k
• y=10k
• y=10x

Tags

CCSS.7.RP.A.2C

The equation y=5x describes a proportional relationship between x and y. What is the constant of proportionality?

• 6

• 4

• 7

• 5

Tags

CCSS.7.RP.A.2B

What does k represent in the equation y = kx?

• constant rate of change
• constant of proportionality
• the equation
• x/y

Tags

CCSS.HSF-LE.A.1B

What is the constant of proportionality in the equation y = 14x ? 

• y
• x
• 14

Tags

CCSS.7.RP.A.2B

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

• unit rate
• ratio rate
• proportion answer
• rational number

Tags

CCSS.7.RP.A.2B

Identify the constant of proportionality.

• k = 2

• k = 4

• k = 1/2

• k = 1/4

• none (not proportional)

Tags

CCSS.7.RP.A.2B

Which equation helps you solve for k?

• k = x/y

• k = y/x

• k = y + x

• k = 2x

Tags

CCSS.6.EE.C.9

Which equation is NOT proportional?

• y = 2x - 3

• y = 150x

• y = 1/2x

Tags

CCSS.8.F.A.3