CSEC Mathematics · May/June 2011 · Paper 2 · Question 9(b)(iii)
State the value of x for which f(x) is a minimum.
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Practise this questionOther parts of this question
- 9(a)Solve the pair of simultaneous equations: y = x² - x + 3 and y = 6 - 3x.[5 marks]
- 9(b)(i)Express the function f(x) = 4x² - 8x - 2 in the form a(x + h)² + k, where a, h and k are constants.[2 marks]
- 9(b)(ii)State the minimum value of f(x).[1 mark]
- 9(c)(i)Calculate the value of x.[2 marks]
- 9(c)(ii)What is the gradient of the graph during the SECOND stage? Explain, in one sentence, what the car is doing during this stage.[2 marks]
- 9(c)(iii)Calculate the distance travelled by the car on the THIRD stage of the journey.[2 marks]
More practice: the rest of this paper · more Axis of Symmetry and Max/Min Values (Quadratic Functions) questions · all CSEC Mathematics past papers