Slopes of Parallel and Perpendicular Lines

Learn how to find the slope of parallel and perpendicular lines

Parallel lines are two lines, that no matter how far they extend, do not intersect with each other. They also are the same distance apart at any given point. Perpendicular lines are two lines that intersect and form right angles. Because of the unique properties of parallel and perpendicular lines have special slopes.The slopes Perpendicular lines are negative reciprocals, and the slope of parallel lines are equal.

For a brief summary go to http://www.moomoomath.com/Lines.html

Resources for slope parallel perpendicular lines
algebra I Help: Slopes of Parallel and Perpendicular Lines
https://www.youtube.com/watch?v=7eUdRomZyjY

Parallel and Perpendicular Lines
https://www.youtube.com/watch?v=Rew54K6mYUo

Math Warehouse-Perpendicular Parallel Lines
http://www.mathwarehouse.com/algebra/linear_equation/parallel-perpendicular-lines.php
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