Dependent Variable

Definition of Dependent Variable

• Dependent variable is a variable whose value depends on the values of one or more independent variables.

Examples of Dependent Variable

• In , p is the dependent variable, because its value depends on the value of q.
• In , z is the dependent variable.

Solved Example on Dependent Variable

What is the dependent variable in the function f(x) = 3 - x?

Choices:

A. no dependent variable

B. 3

C. f(x)

D. x

Correct Answer: C

Solution:

Step 1: In the function f(x) = 3 - x,  the value of f(x) depends on the value of x. So, f(x) is the dependent variable.

Related Terms for Dependent Variable

• Variable
• Independent Variable

Additional Links for Dependent Variable

• Click here for samples
• Back to Mathematics Dictionary