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January 30, 2015

January 30, 2015

Posted by **Derek** on Thursday, July 3, 2008 at 6:14pm.

- Calculus:Help! -
**drwls**, Thursday, July 3, 2008 at 6:18pmThis just says, correctly, thst the change in y from point (x1,y1) is equal to the slope times the change in x from that point.

The slope of the line is (y2-y1)/(x2-x1)

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