ECZ 2025 · O-Level Paper 1 — Vectors In Two Dimensions
The vectors a = 72, b = m-3 and c = 5n, such that a + 2b = c, find the values of m and n.
- A. m = -2, n = -4
- B. m = -1, n = -1
- C. m = 1, n = -4
- D. m = -1, n = -4
Verified working — step 1
a + 2b = cThe 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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