Find the gradient of the line passing through the points ...
Find the gradient of the line passing through the points P(1, 1) and Q(2, 5).
3
2
5
4
Correct answer is D
Let (x1, y1) = (1, 1) and (x2, y2)= (2, 5)
then gradient m of ¯PQ is
m = y2−y1x2−x1 = 5−12−1
= 41
= 4
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