CSEC Additional Mathematics · 2016 · Paper 1 · Question Q4
Given that f(x) = ax^2 + bx + c, f(x) can be expressed in the form
- (A)
a\left(x + \frac{b}{2a}\right)^2 + \frac{4ac - b^2}{4a^2} - (B)
a\left(x + \frac{b}{a}\right)^2 + \frac{ac - b^2}{a} - (C)
a\left(x + \frac{b}{a}\right)^2 + \frac{ac - b^2}{a^2} - (D)
a\left(x + \frac{b}{2a}\right)^2 + \frac{4ac - b^2}{4a}
The answer is shown once you've answered.
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