ECZ 2024 · O-Level Paper 1 — Linear Programming

Write the three inequalities that define the unshaded region R on the diagram below.

Diagram for ECZ 2024 · O-Level Paper 1
  • A. y ≤ 4; y ≤ x + 4; y ≥ -2x - 8
  • B. y ≤ 4; y ≥ x + 4; y ≤ -2x - 8
  • C. y ≤ 4; y ≥ x + 4; y ≥ -2x - 8
  • D. y ≥ 4; y ≥ x + 4; y ≥ -2x - 8

Verified working — step 1

The horizontal boundary is y = 4.

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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