The gradient of a graph is a rate; the area under a speed-time graph is a distance; tangents give rates at an instant.
Gradient is a rate
On a distance-time graph the gradient is the speed; on a speed-time graph it is the acceleration; on a pay-hours graph it is the pay per hour.
A flat section means nothing is changing: stopped, or steady speed.
The rest of this lesson and its 7 practice questions are in Plus.
Screen 1 of 3, free to read.
- 7 exam-style questions, marked as you go, each with a worked solution
- The Graphing Calculator beside every question
- Anything you get wrong is saved to your flashcards