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

For a quadratic equation of the form \ (y = k { (x - a)^2} + b\), the following diagram shows the main properties: If k > 0, the vertex is a minimum turning point ...

The quadratic equation is an ancient staple of mathematics that dates back to ancient Babylonians in 2000 BC. It was originally devised as a way to help calculate problems involving rectangles ...