Learn how to calculate the equation of a line from a graph, work out the gradient from an equation, and visualise intercepts with this step-by step guide.

Learn about the plotting of graphs for a pair of linear equations in two variables, topic from CBSE Class 10 Mathematics.

Also, this line should have a slope equal to the average velocity and a y-intercept of x 0 – v avg t 0. Suppose I want verify this average velocity model (equation).

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.

How to Find the Slope of a Line on an Excel Graph. In math and statistics, you may occasionally need to calculate the slope of a line generated by coordinates in the (x,y) format. The slope is a ...