Capture relationships between data sets by graphing linear equations in Microsoft Excel 2007. Linear equations allow you to predict values within your data set and view the overall trend.

Revise how to plot a linear equation graph. ... Draw a horizontal line, using a ruler, from the given amount across to the line. Draw a vertical line, ...

Choose two coordinates on the line. Here (1, 4) and (3, 10) are used. Draw a triangle showing the horizontal movement to the right and the vertical movement up.