ECZ 2014 · O-Level Paper 1 — Linear Programming
A region R is defined by the inequalities x > 1, x ≤ 2, y ≤ 1 and y ≥ x − 2. Which of these points lies inside region R?
- A. (1.5, 1.5)
- B. (0.5, 0.5)
- C. (2.5, 0)
- D. (1.5, 0.5)
Verified working — step 1
Test (1.5, 0.5): 1.5 > 1, 1.5 ≤ 2, 0.5 ≤ 1 and 0.5 ≥ 1.5 − 2 = …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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