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2 votes
Find the slope of the line segment that contains the two points (-18,-20) and (-18,-15)

A)none
B)36/35
C)-2/5
D)-5
E)undefined

1 Answer

1 vote
Slope: (y2-y1)/(x2-x1)
(-15+20)/(-18+18) = 5/0
5 cannot be divided by 0
Solution: E) undefined
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