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OpenStudy (anonymous):
what is the slope of a line that is perpendicular to 3y+x=21? 1. -3 2. -1/3 3. 0 4. 1/3 5. 3
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OpenStudy (anonymous):
Well first, what do you get for the slope of that original line? Then you can find the perpendicular slope
OpenStudy (anonymous):
-1/3 is the slope of the original line.
OpenStudy (anonymous):
So to find the perpendicular slope you take the reciprocal of that and change it's sign.
OpenStudy (anonymous):
thx
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