JAMB Mathematics 2008 Objective — Question 12

Question 12 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2008 Objective paper, with the correct answer and a full explanation.

Make Q the subject of the formula when L = (4/3)M sqrt(PQ)

A. 9L^2/(16M^2P)Correct
B. 3L/(16M^2P)
C. 3L/(4MsqrtP)
D. 3L^2/(16M^2P)

Explanation

Square both sides: L^2 = (16/9)M^2PQ. Cross multiply: 9L^2 = 16M^2PQ. Q = 9L^2/(16M^2P).

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