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WAEC Mathematics 2024 Theory — Question 6

Question 6 of 13 from the West African Examinations Council (WAEC) Mathematics 2024 Theory paper, with the correct answer and a full explanation.

6. Given that (x+2), (4x+3) and (7x+24) are consecutive terms of a Geometric Progression (G.P), find the: (a) value of x; (b) common ratio.

Model answer

(a) x = 3 or x = -13/9 (b) r = 3 or r = -5

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