Use your mouse to size the graph's vertical and horizontal axis equally. Click the "Save" button to save the changes to the spreadsheet and the graph. Advertisement. Article continues below this ad.

Vertical Axis - This axis moves from the horizontal axis upwards. Once you know what the graph is about, you can read the data. You should always look at the scale on a time graph.

Save guides, add subjects and pick up where you left off with your BBC account. If an equation can be rearranged into the form \(y = mx + c\), then its graph will be a straight line. In the above ...