Direct Variation and Proportionality

The graph of a direct variation must be a straight line and must pass though

• Quadrant 1 and 3

• Quadrant 2 and 4

• the origin (0,0)

Tags

CCSS.8.EE.B.5

Does this table of values represent a direct variation?

• Yes

• No

Do x and y show direct variation?

y = 5x

• Yes

• No

Is this the graph of a direct variation?

• Yes

• No

Tags

CCSS.8.EE.B.5

Does this represent a direct variation?

• Yes

• No

Does the relationship represent direct variation?

• Yes

• No

Which of the given graphs is a direct variation?

• A

• B

• C

• D

Tags

CCSS.8.EE.B.5

Which is an example of direct variation?

• xy = 10

• y = 5x

Is this the graph of a direct variation?

• Yes

• No

Tags

CCSS.8.EE.B.5

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours?

• $394

• $440

• $472.80

• $512.20

Tags

CCSS.HSF-LE.A.1B