ECZ 2013 · O-Level Paper 1 — Variation
Given that y = kx2m - 1with k = 5, find the value of y when x = 2 and m = 3.
- A. 10
- B. 2
- C. 5
- D. 0.5
Verified working — step 1
y = 5(2)/(2(3) - 1) = 105= …The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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