# How do you know which variable is the "x" and the "y"?

##### 1 Answer

Feb 14, 2015

If you are talking about determining ordered pairs to be graphed, the variable that is under your control is the x variable. It is called the independent variable. The variable that results from the independent variable is the y variable. It is called the dependent variable because its value is dependent on the independent variable.

Take for example the equation

The same would be true if the equation was