Rate of Change

Question 1

Check each relation below that is a direct variation.

Revolt · Accepted Answer

A: y = 6x; D: The graph below:

Question 2

A direct variation function includes the ordered pair (4, 5). Which statement is true?

Revolt · Accepted Answer

B: The constant of variation k is .

Question 3

If y varies directly with x, and y is 14 when x is 2, what is the value of x when y is 35?x =

Revolt · Accepted Answer

5

Question 4

Question 4

Revolt · Accepted Answer

B:

Question 5

Use the graph to answer the question.What is the average rate of change from x = 3 to x = 11?

Revolt · Accepted Answer

B: -

Question 6

The average rate of change from x = -2 to x = 6 for the function shown in the graph is –2✔ –1/21/22.

Revolt · Accepted Answer

B: ✔ –1/2

Question 7

Choose the intervals where the graph has a decreasing average rate of change.

Revolt · Accepted Answer

B: x = 3 to x = 6; C: x = 4 to x = 8

Question 8

x = 0 and x = 5x = 1 and x = 5x = 2 and x = 4x = 2 and x = 6

Revolt · Accepted Answer

D: x = 2 and x = 6

Question 9

X 012✔ 3

Revolt · Accepted Answer

D: ✔ 3

Question 10

–4X –1/41/4✔ 4.

Revolt · Accepted Answer

D: ✔ 4

Rate of Change Answers