Determine whether ab and cd are parallel, perpendicular, or neither. A (6,2) B(2,-2) C(-1,-4) D(5,2)

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asked Apr 3, 2018 163k views

2 Answers

Michael Horn · Answer 1 · 2018-04-08T20:10:13+0000

First find the slope of the two lines

slope of AB: (5-8)/(-6-3) = 3/9 = 1/3

slope of CD:(-3-2)/(-3-12) = 5/15 = 1/3

the lines are parallel because the slopes are equal

Determine whether ab and cd are parallel, perpendicular, or neither. A (6,2) B(2,-2) C(-1,-4) D(5,2)

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