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Tuesday, November 20, 2012
5.4 How to Write Linear Equations Given Two Points eHow com
to write an equation when given 2 points:
Step #1 Find the slope by using the formula y2 - y1 / x2 - x1
Step #2 Find your y int by plugging in a point and your slope to y = mx + b. then solve that equation for b.
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