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

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

CBSE Class 10 Maths Chapter 4 all formulas are provided here. All major definitions and properties related to quadratic equations are also mentioned in this article.

Solutions to the simplest polynomial equations — called “roots of unity” — have an elegant structure that mathematicians still use to study some of math’s greatest open questions.

These chapter notes include important topics like general form of quadratic equation, roots of quadratic equation, relation between roots and coefficient of quadratic equation, discriminant of ...

Babylonians, in particular, would solve simultaneous equations to find the roots of a quadratic. Egyptians, Grecians, Indians, and Chinese peoples used graphical methods to solve the equations.

Jamie Twells/Wikimedia Commons However, if you are willing to believe in the existence of square roots of negative numbers, you will get solutions to a whole new set of quadratic equations.