Definition of Independent Variable
- Independent variable is a variable in an equation, whose values make up the domain.
- In other words, an independent variable in an equation may have its value freely chosen regardless the values of any other variable.
Video Examples: The Kid-Friendly Definition of Dependent Variables : Algebra
Example of Independent Variable
In the equation y = 7x + 5, the independent variable is x. The variable y is not independent, because it depends on the value chosen for x
Solved Example on Independent Variable
Ques: What is the independent variable in the function?
D. no independent variable
Correct Answer: C
Step 1: Independent variable is a variable in an equation, whose values make up the domain.
Step 2: So, the independent variable in the given equation is x.