Revise how to recognise and determine the equation of a quadratic function from its graph. BBC Bitesize Scotland revision for SQA National 5 Maths.

Solving quadratic equations - Edexcel Graphs of quadratic functions. ... Example. Draw the graph of \(y = x^2 -x – 4 \) and use it to find the roots of the equation to 1 decimal place.

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.