JSCE Mathematics 2024 Objective — Question 7

Question 7 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2024 Objective paper, with the correct answer and a full explanation.

If x α y^2 and x = 5 when y = 2, then the equation connecting x and y is given as

A. x = 1.25y
B. x = 1.25y^2Correct
C. x = 1.35y^2
D. x = 1.25y^2

Explanation

x = ky^2, so 5 = 4k and k = 1.25. The equation is x = 1.25y^2 (B and D print the same).

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