Homework Help: math

Posted by SchuRonda on Friday, September 10, 2010 at 3:06am.

Find the slope, if it exists, of the line containing the pair of points.
(-6.8,11.8) and (-6.4,7.6)

math - MathMate, Friday, September 10, 2010 at 8:00am
The slope between two points P1(x1,y1) and P2(x2,y2) is given by
m=(y2-y1)/(x2-x1) if (x2-x1)≠0
If (x2-x1)=0, the slope does not exist (infinite).

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