Key learning points

1. Graphs can be described by looking at how quickly they rise.
2. The amount y changes when x increases by one is the rate of change and is called the gradient.
3. The gradient will be positive if y increases as the graph moves to the right.
4. The gradient can be found from any linear graph.
5. The gradient tells you important information about the relationship.

Keywords

• Gradient - The gradient is a measure of how steep a line is.

Common misconception