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Chapter 3: Parallel and Perpendicular Lines
3.4: Proofs with Perpendicular Lines

EQ: How do you write equations of parallel and perpendicular lines?

Parallel lines have the same slope and perpendicular lines have slopes that are opposite reciprocals (see theorems on p157).
Examples #2, 3 and 4 will help on the prep work.

Prep work:  p160(7-15, 17-19, 25-28)

Retake for Ch. 2 Test: p116(1-24, 26)
(On 1-4, skip inverse and contrapositive)

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