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3 votes
Line l has a slope of the line through which of the following pair of points is perpendicular to l?

A. (21,-4), (-5,7)
B.(-7, -5),(4,7)
c. (7-7), (-5,4)
D.(-2,-5), (4,7)

User Tetromino
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1 Answer

4 votes
C) (7,7), (-5,4)
I hope it helps
User Giovanni Botta
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