Question 1

Which of the following is an equation for a direct variation?

Accepted Answer

y =kx

Answer

y = kx/z

Answer

y = k/x

Answer

y = x/ky

Question 2

Write the equation for the statement " y varies jointly as x and z"

Accepted Answer

y = kxz

Question 3

If y varies directly as x, y = 12 when x is 4, find x when y = 36

Accepted Answer

12

Answer

3

Answer

6

Answer

9

Question 4

Classify the following as direct or inverse

Question 5

Arrange the following integers in decreasing order

Question 6

Name one type of variation

Accepted Answer

inverse

Question 7

What type of variation is represented by the amount of work in relation to the number of workers?

Accepted Answer

inverse

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