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Mathematics 9 Online
OpenStudy (anonymous):

points (4,4) and (1,7) lie on line n. what is the slope of the line that is perpendicular to n? A.0 B.1 C.-1 D.Undefined

OpenStudy (saifoo.khan):

try graphing..

OpenStudy (saifoo.khan):

|dw:1334559997981:dw|

OpenStudy (anonymous):

is it 1

OpenStudy (saifoo.khan):

As you can see that it is decreasing, so it should be negative.

OpenStudy (saifoo.khan):

the answer is not in the options. hehe

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