WAEC Further Mathematics 2023 Objective — Question 27

Question 27 of 40 from the West African Examinations Council (WAEC) Further Mathematics 2023 Objective paper, with the correct answer and a full explanation.

If (6,4;7,5)(2;m) = 2(12;14.5), find the value of m.

A. 5
B. 4
C. 3Correct
D. 2

Explanation

(8(2)+4m; 7(2)+5m) = (2(12); 2(14.5)) => (16+4m; 14+5m) = (24;29). From 16+4m... using the first row: 12+4m=24 => 4m=12 => m=3.

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