Asked by Courtney
Use the slopes of AB and CD to determine whether AB and CD are parallel, perpendicular, or neither.
A(-8,5) B(-2,-4) C(6,0) D(0,-4)
A(-8,5) B(-2,-4) C(6,0) D(0,-4)
Answers
Answered by
Steve
AB has slope (-4-5)(-2-(-8)) = -9/6 = -3/2
CD has slope (-4-0)/(0-6) = -4/-6 = 2/3
so, they are ???
CD has slope (-4-0)/(0-6) = -4/-6 = 2/3
so, they are ???
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