# Precalculus Examples

,

Step 1

Insert the values of and into the equation to find if the ordered pair is a solution.

Step 2

Step 2.1

Multiply by .

Step 2.2

Subtract from .

Step 3

Since , the equation will always be true.

Always true

Step 4

Since the equation is always true when the values are used, the ordered pair is a solution.

The ordered pair is a solution to the equation.