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March 4, 2015

March 4, 2015

Posted by **Wendi** on Tuesday, February 21, 2012 at 11:51am.

- algebra -
**Raf**, Tuesday, February 21, 2012 at 11:56amRise 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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