rate of change


Definition of Rate of Change

  • The ratio of the change in the output value and change in the input value of a function is called as Rate of Change.

More about Rate of Change

  • Slope of a line or linear function represents the rate of change.
  • Rate of change of velocity is known as acceleration.

Example of Rate of Change

  • The graph indicates an amount of $10 increase for every additional hour after 8 hours, so rate of change after 8 hours is $10.

Solved Example on Rate of Change

Find the rate of change in the table.

Choices:
A. 5
B. 2
C. 1
D. 0.5
Correct Answer: A
Solution:
Step 1: Rate of change = =
Step 2: =
Step 3: = 5
Step 4: So, the rate of change is 5.

Related Terms for Rate of Change

  • Function
  • Line
  • Rate
  • Ratio
  • Slope