The horizontal (X) and vertical (Y) axes or lines are labelled to tell you what data has been collected and when. The horizontal axis is a line which goes straight across from left to right.

Equations of other straight line graphs The equation of a straight line on a graph is made up of a \ (y\) term, an \ (x\) term and a number, and can be written in the form of \ (y = mx + c\).

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 ...