03 The quadratic function

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The effect of changing a in a quadratic

The general form of a quadratic

The vertex of a quadratic

The x- and y-intercepts of a quadratic

The properties of a quadratic function

Solving a quadratic by factorisation

Finding the equation of a quadratic from its graph

Finding the equation of a quadratic from completing the square

The main characteristics of the quadratic function

The discriminant

Finding the value of k for real roots of a quadratic