Absolute value equations (AVEs), characterised by the inclusion of absolute value functions in the variables, present inherently non‐smooth and computationally challenging problems that are ...

Absolute value is a mathematical concept often used in conjunction with a number line or graph to represent the relative value from zero (modulus). To illustrate this idea in a different way, the ...

Learn about and revise how to create and solve simultaneous equations, including the use of graphs to produce solutions with GCSE Bitesize OCR Maths.

An algebraic equation contains one or more letters in it. Each letter in the equation is called a variable.. A variable can change in value. We guess at different values for each letter until our ...