Question 734774
How do you find the slope of the line passing through these given points? 
(2,5) and (3,6).
Slope m = diffy/diffx
m = (6-5)/(3-2)
m = 1
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(6,1) and (-6,1)
Same as #1
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(4,6) and (4,8)
diffx = 0 --> slope is undefined