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Mathematics 9 Online
OpenStudy (anonymous):

identify the relationship between the groups of these 2 equations. -7y=3x+2 3y=7x-5 parallel perpendicular neither

OpenStudy (anonymous):

They don't have the same slope, so they are not parallel. The slope of the first equation is -3/7. The second one is 7/3 If you multiply -3/7*7/3 you get -1. So that tells use the equations of the lines are perpendicular.

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