Practice working with simultaneous equations ahead of your National 5 Maths exam with this interactive maths quiz. Simultaneous equations can be solved algebraically by first eliminating one of ...

As with other equations and inequations, when working with algebraic equations and inequations it is key to change operation when you change side. Practice working with linear equations and ...

An important part of econometrics is concerned with developing methods for analyzing relationships in multi-equation models, with due regard to (a) the non-experimental, multi-causal nature of most ...