How to Graph a Function in Excel. A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a ...

National 5 Working with the graphs of trigonometric functions Example Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points.

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