Direct Variation

Front

In a direct variation, y=39 when x=3. Find the value of y when x=2.

Back

26

Front

y varies directly with x, and y is 16 when x is 32. Which equation represents this situation?

Back

y=(1/2)x

Front

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? Options: $394, $440, $472.80, $512.20

Back

$394

Front

Is this a direct variation?

Back

yes

Front

Is this a direct variation?

Back

no

Front

Which graph shows a proportional relationship between x and y? Options: A, B, C, D

Back

A

Front

What ordered pair does a direct variation always go through when graphed? Options: (0, 0), (1, 0), (0, 1), (1, 1)

Back

(0, 0)

Front

Which graph shows a proportional relationship between x and y? Options: A, B, C, D

Back

A

Front

What is another name for k?

Back

slope

Front

Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

Back

y=5.25x