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The slope of a line is 1/3  . What is the slope of a line perpendicular to this line? please help!

User Antoine
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1 vote
the answer is negative 3 over 1
User Zack Marrapese
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3 votes
perpendicular is opposite and reciprocal

slope of a line is 1/3
so slope of a line perpendicular is -3
User Farid Shumbar
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