k-constant of proportionality

A proportional relationship can be written as an equation in the form ____ = _____  _____

• y = k+x
• y = k-x
• y = kx
• y = k/x

Tags

CCSS.7.RP.A.2C

Identify the constant of proportionality.

• k = 2x

• k = 2

• k = 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.7.RP.A.2D

The constant of proportionality in the equation y = ½x is _______. 

• x
• y
• 1/2
• 2

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

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

(a)  

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

Which equation is NOT proportional?

• y = 2x - 3

• y = 150x

• y = 1/2x

Tags

CCSS.7.RP.A.2C

Select ALL equations that are proportional.

• y = 3x

• y = 25x

• y = 7x

• y = 2x - 1

• y = 4000x

Tags

CCSS.7.RP.A.2C

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