# Geometry

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

1. 👍 0
2. 👎 0
3. 👁 38
1. slopes
AB: 3/2
CD: -2/3

so, perpendicular

1. 👍 0
2. 👎 0
posted by Steve

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