Direct Variation

Front

The amount of money earned on a job varies directly to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?

Back

$308

Front

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

Back

26

Front

Is this a direct variation equation? y=2x

Back

yes

Front

Which of the given graphs is a direct variation? A, B, C, D

Back

C

Front

Write the direct variation equation for the table given.

Back

y = 3x

Front

The number of kilograms of water in a person’s body varies directly as the person’s mass. A person with a mass of 90 kg contains 60 kg of water. How many kilograms of water are in a person whose mass is 75 kg?

Back

50 kg water

Front

What is the constant of variation, k (in miles per hour) based on the table?

Back

45

Front

If y varies directly with x, and y = 8 when x = -4, what is x when y = -48?

Back

24

Front

What does the Direct Variation Equation look like?

Back

y= kx

Front

What is the constant of variation (k)? Options: 8, 16, 24, 2

Back

16