The Linear Demand Function A linear demand function is an algebraic formula for calculating demand curves without having to draw a demand function graph.

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

A linear relationship (or linear association) is a statistical term used to describe the directly proportional relationship between a variable and a constant.

GCSE Edexcel Transformation of curves - Higher - Edexcel Translating graphs Functions of graphs can be transformed to show shifts and reflections.