CSEC Mathematics · Question 8(b)(ii)
The function f is defined as f(x) = 4x^2 - 8x - 2.
State the minimum value of f(x).
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 8(a)Solve the pair of simultaneous equations: y^2 + 2y + 11 = x and x = 5 - 3y.[4 marks]
- 8(b)(i)Express f(x) in the form a(x + h)^2 + k, where a, h and k are constants.[3 marks]
- 8(b)(iii)Determine the equation of the axis of symmetry.[1 mark]
- 8(c)Determine the acceleration of the car for EACH of the following stages of the journey: Stage 2, Stage 3.[3 marks]
More practice: the rest of this paper · more Axis of Symmetry and Max/Min Values (Quadratic Functions) questions · all CSEC Mathematics past papers