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Mathematics 15 Online
OpenStudy (anonymous):

A line passing through (6, –10) and (–1, y) is perpendicular to a line with slope . Find the value of y.

OpenStudy (dan815):

to a line with slope what?

OpenStudy (anonymous):

7/2

OpenStudy (anonymous):

slope 7 over 2

OpenStudy (dan815):

okay that means for every 7 change in y.. x changes by 2

OpenStudy (dan815):

first of all do u know whats a perpendicular slope to 7/2

OpenStudy (anonymous):

no, I just remember that for the line to be perpendicular I should be able to multiple both slopes to get a product of -1, correct?

OpenStudy (dan815):

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