How do I calculate the gradient of a linear (straight) graph?

To find the gradient of a straight line we can use the change in the X and Y directions.

The gradient (Slope) of a straight line is defined as :

​Grad = (Change in Y) / (Change in X)

This is the basis of a very important area of mathematics and furthur expanding this logic aids in the understanding of many real-world problems that you may have to tackle in the future.

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