We discuss a comment on a previous post stating that the text of labels on the vertical axis of graphs must be horizontal by discussing the pros and cons of four possible positions for these labels.

Label the triangle with the change in the \(x\)-coordinate ... They could use a graph to show this and the gradient of the graph would show the speed of the particle. Image caption, ...

Using graphs is not just about reading off values. In real-life contexts, the intercept, gradient and area underneath the graph can have important meanings such as a fixed charge, speed or ...