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    Mathematics GCSE

    Quadratic function

    What Quadratic function means in Mathematics GCSE, as defined for AQA, Pearson Edexcel.

    Definitions of Quadratic function

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    Reference: AQA

    A function of the form y = ax² + bx + c whose graph is a parabola.
    AQA · Graphs (study guide)
    A function f(x) = ax² + bx + c with a ≠ 0; its highest power of x is 2.
    Pearson Edexcel · Algebra - Graphs (study guide)

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