i dont understand equations of parallel and perpendicular lines here's one of my teachers examples y=2x+4 (-2,1)

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09-02-2017
Mathematics

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i dont understand equations of parallel and perpendicular lines here's one of my teachers examples y=2x+4 (-2,1)

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jsakura28 jsakura28 · Answer 1 · 2017-02-09T05:11:23+01:00

jsakura28 jsakura28

09-02-2017

Parallel lines will never touch each other while perpendicular forms like an X shape. The slope for the parallel is the same while the perpendicular is a negative reciprocal. (Ex for negative reciprocal. 2/4=4/2)

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