Geometrymedium · Past Paper
If the slope of the line joining (2, 5) and (k, 3) is 2, find k.
A1
B3
C4
D-1
✓ Correct Answer: A — 1
Slope = (3-5)/(k-2) = 2 => -2 = 2(k-2) => -1 = k-2 => k = 1.
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