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. Use ...

Annotate documents and draw graph equations in OneNote Windows App using the Math Assistant feature & visualize difficult math concepts.

Find out how to solve simultaneous equations using a graph in this Bitesize KS3 maths video.

The top part of that image is the equation itself. The bottom part is a graph of the equation, which, as you can see, is exactly the same. To be fair, this equation cheats a little bit.