# Precalculus Examples

,

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Find the slope of the equation in terms of using the slope-intercept form.

Set the known value of equal to the slope of the equation in terms of .

Rewrite the equation as .

Multiply both sides of the equation by .

Simplify the left side.

Cancel the common factor of .

Write as a fraction with denominator .

Factor out the greatest common factor .

Cancel the common factor.

Rewrite the expression.

Simplify.

Multiply and .

Divide by .

Multiply by .