Mathematics for high school Series: Gradients and Rates of Change.

It covers:

- Gradient of a straight line

- Equation of a straight line (two-point form and point-gradient form)

- General form y = mx + c

- Parallel and perpendicular lines

- x and y intercepts

- Rates of change, average and instantaneous

- Distance-time and speed-time graphs

Well-explained with clear examples, diagrams, and plenty of exercises. Perfect for high school students preparing for Exam.