Solve quadratic equations by factorising, using formulae and completing the square. Each method also provides information about the corresponding quadratic graph.

How does the GCSE maths exam work? The Edexcel GCSE maths exam is spread over three separate papers - each part is worth 80 marks and has a 33.3 per cent weighting.

Thousands of teenagers across the country are due to sit their GCSE maths exams this week - but how well do you know your quadratic to your simultaneous equations?

Solve quadratic equations by factorising, using formulae and completing the square. Each method also provides information about the corresponding quadratic graph.