ECZ 2023 · O-Level Paper 1 — Coordinate Geometry
The point A(-5, 3) and the point B have a midpoint (4, -2). Find the coordinates of B.
- A. (9, 1)
- B. (13, -7)
- C. (-1, 1)
- D. (-13, 7)
Verified working — step 1
The midpoint averages the two endpoints. Knowing the average and one end, work backwards for the other - x and y separately.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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