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.

A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the linear equation.

If you need to create a Line Chart and Scatter Plot in Excel, read through this article. We have also explained which one is right for you.

You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.