In order to work with gradients and straight lines successfully, a good understanding of coordinates and linear graphs is needed. The gradient of a line is calculated by dividing the difference in ...

Revise how to work out the gradient of a straight line in maths and what formula to use to calculate the value change in this Bitesize guide.

This PowerPoint introduces the topic of straight line graphs and focuses on understanding and plotting linear functions in the form y=mx+c. Number Reduce a given linear equation in two variables to ...