Asked by Unknown
Given the points A (-3, -2), B (1, 4), C (3, -4) and D (0, -2), determine [line ab] if and [line cd] are parallel, perpendicular or neither.
A. parallel
B. perpendicular
C. both parallel and perpendicular
D. neither
A. parallel
B. perpendicular
C. both parallel and perpendicular
D. neither
Answers
Answered by
Steve
slopes
AB: 3/2
CD: -2/3
so, perpendicular
AB: 3/2
CD: -2/3
so, perpendicular
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