Learn how to plot coordinates and create straight line graphs to show the relationship between two variables. Also, plot graphs that contain a negative coefficient of x.

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.

The values are plotted across the y-axis and the x-axis is used to mark the progression. In the case of a scatter plot, whether you use it simply with marking points or lines, the graph is spread ...