‹ Maths Essentials
Quadratics
Expand and factorise quadratics, solve them by factorising, the formula and completing the square, and read roots and turning points from graphs.
Start: Expanding and factorising About 9 min
Lessons
Practice and tests
By the end you can
Expand brackets and factorise quadratics, including ax² + bx + c Solve quadratics by factorising, the formula and completing the square Find roots, intercepts and turning points from equations and graphs Solve quadratic inequalities Simplify, add and subtract algebraic fractions, and solve equations with them (Higher) Helps with: GCSE (AQA, Edexcel, OCR)
Next unit: Simultaneous equations Previous unit: Straight-line graphs
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