Create a Graph user manual. The following pages describe the different parts of a line graph. This helps the reader identify what they are about to look at..The 5 Parts of a Graph Axis labels: Normally you plot the independent variable the one over which you You may need to find the equation of the trend line.. - Parts of a line graph. Real-life examples of misleading line graphs. The most usual type of data you 'll find on a line graph is how something .In this lesson, you 'll learn about the parts of a Cartesian plane, so you 'll be all Every graph has a lineed the x-axis, which marks the horizontal location of .