Algebraic conditions for number of solutions. Solution of a pair of linear equations in two variables algebraically - by substitution, by elimination. Simple situational problems.

Linear systems involve two or more equations with variables that specify the different ways things relate to each other. They’re “linear” because the only allowable power is exactly 1 and graphs of ...

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

Nonlinear regression is a form of regression analysis in which data fit to a model is expressed as a mathematical function.

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