# Precalculus Examples

,

Using the point-slope form , plug in , , and .

Subtract from .

Simplify the right side.

Simplify the expression.

Multiply by .

Multiply by .

Apply the distributive property.

Multiply by .

,

Using the point-slope form , plug in , , and .

Subtract from .

Simplify the right side.

Simplify the expression.

Multiply by .

Multiply by .

Apply the distributive property.

Multiply by .

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