Write as a fraction with denominator .
Multiply and .
To find the coordinate of the vertex, set the inside of the absolute value equal to . In this case, .
Solve the equation to find the coordinate for the absolute value vertex.
Subtract from both sides of the equation.
Solve for .
Multiply both sides of the equation by .
Multiply by .
Replace the variable with in the expression.
Divide by .
Add and .
The absolute value is the distance between a number and zero. The distance between and is .
The absolute value vertex is .