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

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

Back

y=5.25x

Front

A dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the constant of variation?

Back

k = 13

Front

If y varies directly with x and y= 12 when x= 15, what is the value of x when y= 16?

Back

20

Front

A person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. Find the amount of pay for 31 hours of work.

Back

$190.65

Front

Write an equation for this relationship.

Back

y=1/4x

Front

Is this graph proportional?

Back

No because it is a straight line but does not go through the origin

Front

Is the graph proportional or non proportional?

Back

proportional because it is a straight line and goes through the origin