Quadratics and simultaneous equations

3 quick checks≈3% of the testFoundational

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By the end you’ll be able to

Factorise quadratic expressions and solve quadratic equations by factorisation, completing the square and the quadratic formula.
Determine the discriminant and interpret the nature and number of roots of a quadratic equation.
Complete the square to write a quadratic function in vertex form and identify turning points.

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Interpret the solutions of simultaneous equations as points of intersection of graphs.

Form and solve quadratic equations arising from contextual or geometric problems.

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