Quadratic equations and graphs


KP1- To expand or multiply double brackets, multiply each term in one bracket by each term in the other bracket

KP2- Expanding double brackets, often gives a quadratic expression. A quadratic expression always has a square term with a power of two. It cannot have a power higher than two. 

KP3- To square a single bracket, multiplies it by itself, and




All key points from the Edexcel GCSE (9-1) Mathematics Foundation Student Book