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Mathematics 13 Online
OpenStudy (anonymous):

How can you tell if lines will be parallel without actually graphing them?

OpenStudy (anonymous):

if their slopes are numerically equal they are parallel

OpenStudy (anonymous):

How can you tell if lines will be perpendicular without actually graphing them?

OpenStudy (anonymous):

if the product of their slopes is -1

OpenStudy (anonymous):

Are the graphs of the lines parallel, perpendicular, or neither? Explain. y = – x+16

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