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Mathematics 18 Online
OpenStudy (anonymous):

PERPENDICULAR

OpenStudy (solomonzelman):

yes, what is your question?

OpenStudy (anonymous):

OpenStudy (anonymous):

is it 1/2?

OpenStudy (solomonzelman):

That was fast!

OpenStudy (solomonzelman):

You are correct. -18/9=-2 is the slope. Perpendicular, multiplicative inverse of -2, and times -1. YES 1/2.

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