SOLUTION: Find the slope if it exists of the line containing the pair of points. (1,-2) and (1,-9)

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Question 640214: Find the slope if it exists of the line containing the pair of points. (1,-2) and (1,-9)

Answer by reviewermath(1029)   (Show Source): You can put this solution on YOUR website!
The line joining the points (1,-2) and (1,-9) is a vertical line.
The slope of a vertical line is UNDEFINED.

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