Functions and graphsUnit 1

Average rate of change from a formula

Divide the change in output by the change in input over the interval.

  • From to , average rate of change is .
  • Evaluate both endpoint outputs before calculating the differences.
  • It is the slope of the secant line joining those two points.

Example 1

Use both endpoints

Find the average rate of change from to .

Example 2

Find the average rate of change from to .

Your turn

5 practice questions
Question 1

Find the average rate of change from to .

Check answer
Question 2

Find the average rate of change from to .

Check answer
Question 3

Find the average rate of change from to .

Check answer
Question 4

Find the average rate of change from to .

Check answer
Question 5

Find the average rate of change from to .

Check answer
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