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Question

If the gradient of a straight line passing through (3,y)(3, y) and (5,8)(5, 8) is 22, find the value of yy

Verified Answer

4

Explanation & Step-by-Step Solving

Context: The gradient formula is m=y2−y1x2−x1m = \frac{y_2 - y_1}{x_2 - x_1}:2=8−y5−3  ⟹  2=8−y2  ⟹  4=8−y  ⟹  y=42 = \frac{8 - y}{5 - 3} \implies 2 = \frac{8 - y}{2} \implies 4 = 8 - y \implies y = 4

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Exam aration and answersWAEC Exam arationJAMB Exam arationacademic problems

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