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Mathematics 17 Online
OpenStudy (raquelkelli01):

The slope of a line that is perpendicular to a line whose slope is -2/7 is? -2/7 -7/2 7/2

OpenStudy (alexandervonhumboldt2):

perpendicular lines have negative reciprocal slope \[a \] => \[-\frac{ 1 }{ a }\]

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