Geometryeasy · Past Paper
Find the slope of a line which is perpendicular to the line joining (0, 0) and (2, 2).
A1
B-1
C0
DUndefined
✓ Correct Answer: B — -1
Slope of joining line = (2-0)/(2-0) = 1. Perpendicular slope = -1/1 = -1.
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