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September 18, 2014

September 18, 2014

Posted by **Anonymous** on Monday, October 11, 2010 at 11:08am.

· How the slopes of two perpendicular lines relate;

· How you recognize if two lines are perpendicular on a graph;

· How you recognize if two lines are perpendicular simply from their equations.

- MATH -
**bobpursley**, Monday, October 11, 2010 at 11:22amI will be happy to critique your work.

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