The gradient of the straight line joining the points P(5,...
The gradient of the straight line joining the points P(5, -7) and Q(-2, -3) is
12
25
−47
−23
Correct answer is C
PQ = y1−y0x1−x0 = −3−(−7)−2−5 = −3+7−2−5 = 4−7
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