Question 1

Paper 2, calculatorMedium7 marks

A quadratic function ff has xx-intercepts (−2,0)(-2,0) and (6,0)(6,0) Its graph passes through (0,24)(0,24)

(a)

Determine f(x)f(x) in factored form.

[3]
(b)

Hence write f(x)f(x) in vertex form and state the equation of its axis of symmetry.

[4]

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