Revise how to plot a linear equation graph. Learn how to read x and y ... Graphs of two or more straight lines can be used to solve simultaneous linear equations. The graph of a straight line can ...

The same thing would be true for the first function above, f(x) = x²: n² would equal n.This would be a weird mathematics indeed (there are algebras in which this happens for some nonunit ...

Revise how to plot a linear equation graph. Learn how to read x and y coordinates from a graph in this BBC Bitesize maths KS3 guide.