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

A quadratic function can be drawn as a parabola on a graph. ... Step 6 – Plot the points from your table on the graph. In this example the coordinates are (-2,0), (-1,3), (0,4), (1,3) and (2,0).

Quadratic equations are basic to algebra and are the math behind parabolas, ... For example, if a parabola is one ... The graph of a quadratic equation forms a parabola.

Before students are presented with the quadratic formula, they’re taught a simpler method to solve certain equations. For simplicity, we’ll consider an equation where a = 1. x ² – 4 x – 5 = 0 ...