What is a linear variable cost? As long as a cost driver is constant, it is a linear variable. Variable costs are classified in a variety of ways, but linear variable costs have the most distinctive ...

Linear functions are used to model a broad range of real-world problems. The ability to solve linear equations and inequalities is an essential skill for analysing these models. This section covers ...

Linear functions are fundamental building blocks in mathematics and play a key role in solving real-world problems where the rate of change remains constant. Linear functions arise in a wide range of ...

In mathematics, a system of linear equations (or linear system) is a collection of two or more linear equations involving the same set of variables. For example, look at the following equations: These ...

The questions in this quiz are suitable for GCSE maths students studying equations and identities, number machines, solving equations, solving equations with brackets, solving equations with unknowns ...

Because we have 3 variables, the graph is a $3-1=2$-dimensional plane, which is the typical plane we all know and love. We subtract 1 from the amount of dimensions ...

An equation states that two expressions are equal in value, eg \(3x + 5 = 11\). Solving an equation means finding the value or values for which the two expressions are equal. This means equations are ...