ECZ 2024 · O-Level Paper 1 — Quadratic Equations

Solve the equation (1 - 2t)2 = 25.

  • A. t = -2 or t = 3
  • B. t = 3
  • C. t = -3 or t = 2
  • D. t = -2 only

Verified working — step 1

(1 - 2t)2 = 25

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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