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

Revise the methods of solving a quadratic equation including factorising and the quadratic formula. See a worked example of how to solve graphically.

The quadratic formula learned by generations of math students is difficult to remember, but it can be used to solve quadratic equations where y = 0.

Quadratic equations are polynomials, meaning strings of math terms. An expression like “x + 4” is a polynomial. They can have ...

A teenager from Gippsland in Victoria has written an equation that has been published in a national academic journal — a major achievement for one so young.

What’s in a quadratic equation? I was thinking about how one might approach writing about the links between knowledge, education and competence/employability in this 21st century when I got some ...