How to Make Your Graph to the Same Scale on a Vertical & Horizontal Axis in Excel. When you create a graph in Excel, the software automatically sizes the X and Y axis lines, so the data you want ...

The graph has a vertical line of symmetry. Understanding how to substitute values into an expression is an essential skill when using graphs to estimate values of x and y.

For example, you could show line graphs for temperature and humidity on top of each other. For this purpose, Excel lets you add a series of data to a chart and plot it on a second y-axis.