Save guides, add subjects and pick up where you left off with your BBC account. Finding the gradient. Any straight line graph has a constant gradient, which is calculated by the change in 𝑦 ...

From the graph, we can also see that the y-intercept is 6, therefore we can say that the equation of the straight line is \(y = mx + 6\). Now we need to find the gradient.

A good charting library makes all the difference when adding visual data to your JavaScript apps ... data from the response into a simple line chart, as showin in Listing 2.