ECZ 2025 · GCE Paper 1 — Quadratic Equations

Solve the equation (12)x2 - 8 = 0.

  • A. x = 4 only
  • B. x = -4 or x = 4
  • C. x = -16 or x = 16
  • D. x = -4 only

Verified working — step 1

(12)x2 - 8 = 0

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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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