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Mathematics 12 Online
OpenStudy (anonymous):

if two lines are parallel, how do their slopes compare?if two lines are perpendicular, how do their slopes compare?

OpenStudy (anonymous):

parallel=same slope perpendicular=negative reciprical slope

OpenStudy (anonymous):

paralell lines : line one: slope 2 line 2: slope 2 perpendicular lines: line one: slope 1/2 line two: slope -2

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