A linear equation does not contain any powers higher than 1. A quadratic equation contains a variable that's highest power is 2. For example: ...

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

Learn about and revise quadratic equations by factorising, completing the square and using the quadratic formula with GCSE Bitesize OCR Maths.

These are just a few examples, and many other types of questions could be asked. The best way to prepare for the CAT exam is to practice solving a variety of linear and quadratic equations.

An appendix of eight chapters on various forms of linear and quadratic equations, on factors, etc., has been added. Exercises from Elementary Algebra. C.

A mathematician at Carnegie Mellon University has developed an easier way to solve quadratic equations. Here's the secret.