 # Perpendicular Lines Equations

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More lesson for Algebra 1
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Examples, videos, worksheets, solutions, and activities to help Algebra 1 students learn how to find the equations for perpendicular lines.

Perpendicular lines have opposite reciprocal slopes.

Finding the equation of a perpendicular line
Example:
Find the equation of a line perpendicular to AB through point C.
A(2, -3), B(4, 3), C(-1, 4).
Perpendicular Lines Equation Problem
Example:
Write the slope-intercept form of an equations that passes through (8, -2) and is perpendicular to the graph 5x - 3y = 7

Equation of a Line: Perpendicular Lines
Example:
Find the equation of a line perpendicular to 3x - 2y = 7 that goes through the point (1, 5).
Writing equations for perpendicular lines
Example:
Find the equation of the line perpendicular to y = 1/2 x + 1 that goes through the point (4, 2).

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