ECZ 2018 · GCE Paper 1 — Vectors In Two Dimensions
The coordinates of B and C are (2, 5) and (4, −3) respectively. If M is the mid-point of BC, what is the position vector of M?
- A. [6; 2]
- B. [1; −4]
- C. [3; −1]
- D. [3; 1]
Verified working — step 1
The mid-point averages the coordinates: M = (2 + 42, (5 + (−3))/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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