Prove Slope Criteria for Parallel and Perpendicular lines

Unit 9: Analytic Geometry
Lesson 1 of 7

Objective: SWBAT use analytic geometry to prove that non-vertical parallel lines have equal slopes and perpendicular lines have opposite reciprocal slopes.

Big Idea: X-Games?? In this lesson, students are gettin' extreme on the slopes...of parallel and perpendicular lines that is.

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perpendicular slopes
 
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