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Mathematics 13 Online
OpenStudy (anonymous):

Need help with this question! A line passes through the points (10,1) and (-8,5). What is the slope of a line that is perpendicular to that line? a. -9/2 b. -2/9 c. 2/9 d.9/2

OpenStudy (loser66):

first off, what is the slope of the line passes through those points?

OpenStudy (anonymous):

is -2/9?

OpenStudy (loser66):

yup, so, the answer is?

OpenStudy (loser66):

Hint : -1/m where m is the slope we just figure out above

OpenStudy (anonymous):

c. ?

OpenStudy (loser66):

one more try

OpenStudy (anonymous):

b ?

OpenStudy (loser66):

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