2010
Mathematics
JAMB
Find the gradient of the line passing through the points P(1, 1) and Q(2, 5).
A.
3
B.
2
C.
5
D.
4
Correct Answer: 4
Explanation
Let (x1, y1) = (1, 1) and (x2, y2)= (2, 5) then gradient m of PQ¯ is m = y2−y1/x2−x1 = 5−1/2−1 = 4/1 = 4
Let (x1, y1) = (1, 1) and (x2, y2)= (2, 5) then gradient m of PQ¯ is m = y2−y1/x2−x1 = 5−1/2−1 = 4/1 = 4THIS WEEK's
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