ECZ 2016 · O-Level Paper 1 — Matrices
Express −12−35−24231 as a single matrix.
- A. 6−3
- B. −6−3
- C. −145
- D. −63
Verified working — step 1
Check the sizes first: (1 × 3) times (3 × 2) gives a (1 × 2) row - two entries, each a row-down-a-column sum.The full step-by-step working and final answer, plus the video lesson for this topic, 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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