ECZ 2018 · GCE Paper 1 — Coordinate Geometry
A straight line passing through A(3, 2) and B(5, y) has gradient −2. Find the value of y.
- A. −6
- B. −2
- C. 6
- D. 2
Verified working — step 1
Substitute both points into the gradient formula and solve for the missing coordinate.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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