SOLUTION: Find the slop, if it exists of the line containing the pair of points (-10,-9) and -(19,-11)

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Question 180312: Find the slop, if it exists of the line containing the pair of points
(-10,-9) and -(19,-11)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find the slop, if it exists of the line containing the pair of points
(-10,-9) and -(19,-11)
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There's a minus sign outside: -(19,-11)
I don't know what that means.