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.

Revise how to plot a linear equation graph. Learn how to read x and y coordinates from a graph in this BBC Bitesize maths KS3 guide.

CBSE Class 10th Pair of Linear Equations in Two Variables - Plotting of Graphs In this video you will learn about the plotting of graphs for a pair of linear equations in two variables, topic from ...