Sketching Quadratics
By completing the square
Quadratics
Factorising when A = 0 Factorising when A ≠ 0 Factorising special situations
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Solving quadratic equations
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If a quadratic is given in general form, the quadratic can be sketched using the vertex and axes intercepts if it is first factorised by completing the square, hence rewriting it in vertex form.