Posted by Wendi on Tuesday, February 21, 2012 at 11:51am.
Rise is the change in the y coordinate, if you think of the graph, you are going up or down. Run is the change in the x coordinate, left to right. To find the change, we take the second coordinate, and subtract the first coordinate. So, what does that give us?
y2 - (y1) = y change
and
x2 - (x1) = x change
so your slope is y/x, just throw in your numbers now
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