Its graph is a straight line. A quadratic function has an equation of the form y = a x 2 + b x + c where b and/or c can be equal to zero, but a is not equal to zero.

This educational film teaches viewers how to construct mathematical line graphs to solve algebraic problems. It begins by reviewing statistical graphs and then explains the relationship between ...

Matt makes formulae and graphs simple for students struggling to pass GCSE maths. Suitable for teaching maths at GCSE and National 4 and 5.