Revise how to work out the gradient of a straight line in maths and what formula to use to calculate the value change in this Bitesize guide.

In math and statistics, you may occasionally need to calculate the slope of a line generated by coordinates in the (x,y) format. The slope is a value that indicates the rate at which the y value of a ...

Where math, technology, and education cross. Piecewise-linear calculus part 2: Getting to smoothness By Robert Talbert January 12, 2010 Image via Wikipedia ...

In order to work with gradients and straight lines successfully, a good understanding of coordinates and linear graphs is needed. The gradient of a line is calculated by dividing the difference in ...