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JAMB Mathematics 2021 Objective — Question 21

Question 21 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2021 Objective paper, with the correct answer and a full explanation.

21. A line passes through points A(0, -4) and B(-2,0). Determine its gradient (a) 4 (b) -4 (c) 2 (d) -2

A. 4
B. -4
C. 2
D. -2Correct

Explanation

Gradient m = (y2-y1)/(x2-x1) = (0-(-4))/(-2-0) = 4/-2 = -2.

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