Calculating Slope II: A General Formula

Now we are ready to figure out how to find the slope of any two points, regardless if we have graph paper or not. You are going to need to remember how to find the distance between two points on a number line. If you have forgotten how to do this, click here to review this topic.

Here is your task!

If you need to see a Geometer's Sketchpad drawing of the above problem, click here to see the drawing.

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