Direct Variation

What type of relationship is a direct variation.

• proportional

• non-proportional

Tags

CCSS.7.RP.A.2D

What does "k" stand for in the direct variation equation?

• constant of equality

• constant of proportionality

• constant of non-proportionality

Tags

CCSS.7.RP.A.2B

What is another name for constant of proportionality?

• constant of non-proportionality

• constant of equality

• constant of variation

Tags

CCSS.7.RP.A.2B

Which of the following is the equation format for direct variation?

• y = mx + b

• y = kx

Tags

CCSS.7.RP.A.2B

What is the equation to find "k", the constant of proportionality?

• y = kx

• y = mx + b

Tags

CCSS.7.RP.A.2B

The phrase "y varies directly with x" means a relationship is a direct variation.

• True

• False

Tags

CCSS.7.RP.A.2B

If there is no constant of proportionality, k, then the relationship is NOT a direct variation.

• True

• False

Tags

CCSS.7.RP.A.2D

Is the relationship in the table a direct variation?

• Yes

• No

Tags

CCSS.7.RP.A.2D

Is the relationship in the table a direct variation?

• Yes

• No

Tags

CCSS.7.RP.A.2A

Determine if there is a constant of proportionality, k.

If there is a k, what is it?

• There is no k

• k = 8

Tags

CCSS.7.RP.A.2B