ECZ 2021 · O-Level Paper 1 — Coordinate Geometry
Find the equation of a straight line passing through the points (3, 4) and (7, 12).
- A. y = 2x + 2
- B. y = 4x - 8
- C. y = x + 1
- D. y = 2x - 2
Verified working — step 1
Gradient = 12 - 47 - 3The 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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