ECZ 2017 · GCE Paper 1 — Coordinate Geometry
The diagram shows a Cartesian plane with points A(6, 6), B(0, −2), C(0, 6) and D(6, 0). Find the equation of the line CD.
- A. y = x + 6
- B. y = −x − 6
- C. y = x − 6
- D. y = −x + 6
Verified working — step 1
Gradient of CD = 0 − 66 − 0= −1. C(0, 6) is the y-intercept, so y = …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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