# Precalculus Examples

Step 1

To find the coordinate of the vertex, set the inside of the absolute value equal to . In this case, .

Step 2

Subtract from both sides of the equation.

Step 3

Replace the variable with in the expression.

Step 4

Step 4.1

Add and .

Step 4.2

The absolute value is the distance between a number and zero. The distance between and is .

Step 5

The absolute value vertex is .

Step 6