Worked examples The graph below has a turning point (3, -2). Write down the nature of the turning point and the equation of the axis of symmetry.

The coefficients m and n can be expressed in terms of a, b, c, and d from the original cubic. What they are equal to is less important than the fact that there are guaranteed techniques for finding ...

Learn and revise how to solve quadratic equations by factorising, completing the square and using the quadratic formula with Bitesize GCSE Maths Edexcel.