ECZ 2016 · O-Level Paper 1 — Vectors In Two Dimensions
On the diagram, OP = p and OQ = q. Express the resultant OR = p + q as a column vector.
- A. (11, 3)
- B. (11, 7)
- C. (−7, 7)
- D. (7, −7)
Verified working — step 1
Read the two vectors off the grid: OP = p = (2, 5) (2 squares right, 5 up) and OQ = q = (9, −2) (9 squares right, 2 down). The resultant OR = p + q is found by adding the components separately: OR = (2 + 9, 5 + (−2)) = …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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