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Mathematics 15 Online
OpenStudy (anonymous):

What is the slope of any line perpendicular to the line formed by the equation 9x – 27y = 7?

OpenStudy (anonymous):

Estudier ur so smart

OpenStudy (anonymous):

The slope of the above line is -(9/-27) = 1/3. The slope of any perpendicular line is the negative reciprocal ie -3. So eg y =-3x

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