ECZ 2020 · GCE Paper 1 — Matrices
Given that A = 2310, B = -10x2 and C = 76-10, find (b) x for which AB = C.
- A. 1
- B. 7
- C. 3
- D. -3
Verified working — step 1
AB = 2310 -10x2The 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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