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Finding the slope between two points

Q: What is the slope of a line that contains the two points (0,3) and (4,5) ?

A: Recall that the equation for slope is:

You have two points, (0,3) and (4,5), so you have (x1,y1) and (x2,y2). Put them into the formula:

m = (5-3) / (4-0)
m = 2 / 4
m = 1/2

So the slope is 1/2. This means it goes up 1, right 2.