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3 marksCompleting the Square

CSEC Mathematics · Question 8(b)(i)

The function f is defined as f(x) = 4x^2 - 8x - 2.

Express f(x) in the form a(x + h)^2 + k, where a, h and k are constants.

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Other parts of this question

  1. 8(a)Solve the pair of simultaneous equations: y^2 + 2y + 11 = x and x = 5 - 3y.[4 marks]
  2. 8(b)(ii)State the minimum value of f(x).[1 mark]
  3. 8(b)(iii)Determine the equation of the axis of symmetry.[1 mark]
  4. 8(c)Determine the acceleration of the car for EACH of the following stages of the journey: Stage 2, Stage 3.[3 marks]

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