# Precalculus Examples

Find the Equation Using Point-Slope Formula
,
Using the point-slope form , plug in , , and .
Solve for .
Simplify the right side.
Multiply by to get .
Apply the distributive property.
Multiply by to get .
Move all terms not containing to the right side of the equation.
Since does not contain the variable to solve for, move it to the right side of the equation by adding to both sides.
Subtract from to get .

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