# Precalculus Examples

,

Step 1

Use the slope and a given point to substitute for and in the point-slope form , which is derived from the slope equation .

Step 2

Simplify the equation and keep it in point-slope form.

Step 3

Step 3.1

Multiply by .

Step 3.2

Add to both sides of the equation.

Step 4

List the equation in different forms.

Slope-intercept form:

Point-slope form:

Step 5