Precalculus Examples

Find the Equation Using Point-Slope Formula
Use the slope and a given point to substitute for and in the point-slope form , which is derived from the slope equation .
Simplify the equation and keep it in point-slope form.
Solve for .
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Simplify .
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Apply the distributive property.
Multiply by .
Move all terms not containing to the right side of the equation.
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Add to both sides of the equation.
Add and .
List the equation in different forms.
Slope-intercept form:
Point-slope form:
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