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

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?

Back

$394

Front

Is this a direct variation?

Back

Yes

Front

Is this direct variation?

Back

No

Front

Which graph shows a proportional relationship between x and y? (Proportional = direct variation) Options: A, B, C, D

Back

A

Front

What ordered pair does a direct variation always go through when graphed?

Back

(0,0)

Front

What is another name for k?

Back

Slope (m)

Front

If y varies directly with x, and y is 84 when x is 16, which equation represents this situation?

Back

Front

If y = 4 when x = -4, find y when x = 7

Back

-7