In a typical graph, values on the (vertical) y-axis are plotted linearly: 1, 2, 3, and so on, or 10, 20, ... Logarithmic scales can emphasize the rate of change in a way that linear scales do not.

Linear equations can be shown on a graph. Find out how to create one in this Bitesize KS3 maths video. Linear equations can be shown on a graph.