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1 markPaper 1 · Multiple choiceCompleting the Square

CSEC Additional Mathematics · 2018 · Paper 1 · Question Q4

Given that f(x) = 1 - 4x - 2x^2, then f(x) can be expressed in the form

  1. (A)2(x + 1)^2 - 3
  2. (B)3 - 2(x - 1)^2
  3. (C)3 - 2(x + 1)^2
  4. (D)3 - (2x + 1)^2

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