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Mathematics 18 Online
OpenStudy (anonymous):

What must be true about the slopes of two perpendicular lines, neither of which is vertical?

OpenStudy (anonymous):

Just to let you know, there is no graph or diagram.

OpenStudy (anonymous):

The product of the two is -1

OpenStudy (anonymous):

Thank you! Is it possible for you to show me? I understand better that way sometimes.

OpenStudy (anonymous):

Example, a line with the slope -2 is perpendicular to a line with slope 1/2 because -2*1/2=-1

OpenStudy (anonymous):

Okay, thank you! :)

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