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.

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 ...

Excel's intercept function takes the data points that define a line on a graph and calculates the y value for the point on the graph where x is equal to zero.

How to Find the Slope of a Line on an Excel Graph. In math and statistics, you may occasionally need to calculate the slope of a line generated by coordinates in the (x,y) format.

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