WAEC Further Mathematics 2025 Objective — Question 17

Question 17 of 40 from the West African Examinations Council (WAEC) Further Mathematics 2025 Objective paper, with the correct answer and a full explanation.

Find the value of x for which |2x -3; x -5| = 14.

A. 2
B. 14/13
C. -14/13
D. -2Correct

Explanation

Expanding the 2x2 determinant: 2x(-5) - (-3)(x) = -10x+3x = -7x. Setting -7x=14 gives x=-2.

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