Direct, Inverse, and Joint Variation

Question 1

Describe the relationship between the two quantities.Volume of a cylinder; Height & radius of cylinder’s base.

Revolt · Accepted Answer

joint

Question 2

Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation.

Revolt · Accepted Answer

A

Question 3

If y varies directly as the square of x and when , then when .

Revolt · Accepted Answer

F

Question 4

What is the relation between the variables in the equation ?

Revolt · Accepted Answer

y varies directly as

Question 5

Explain why the graph below does not represent a direct variation.

Revolt · Accepted Answer

the line does not go through the origin

Question 6

Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation.

Revolt · Accepted Answer

C

Question 7

Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation.

Revolt · Accepted Answer

B

Question 8

What is the relation between the variables in the equation ?

Revolt · Accepted Answer

y varies inversely as x

Question 9

If y varies jointly as x and z and inversely as the square of w, and when , , and , then when , , and .

Revolt · Accepted Answer

F

Question 10

Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation.

Revolt · Accepted Answer

D

Direct, Inverse, and Joint Variation Answers