ECZ 2010 · O-Level Paper 1 — Coordinate Geometry
The points A and B are (4, 0) and (0, 8) respectively. Find the equation of AB.
- A. y = 2x + 8
- B. y = -2x + 8
- C. y = -x + 8
- D. y = 8x - 2
Verified working — step 1
B(0, 8) hands you the y-intercept; the two points give the gradient.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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