ECZ 2017 · GCE Paper 1 — Matrices
If AT = (1 −2 3 −4 5), write the matrix A.
- A. The row (1 −2 3 −4 5)
- B. The column [1; −2; 3; −4; 5]
- C. The column [5; −4; 3; −2; 1]
- D. The row (5 −4 3 −2 1)
Verified working — step 1
Transposing twice brings a matrix back - so A is the transpose of the given row, with the ORDER of entries untouched.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.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question