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 how do I know parallel lines are parallel. Like are their slopes reciprocals? Are they the same? Are they equal to 1?

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how do I know parallel lines are parallel. Like are their slopes reciprocals? Are they the same? Are they equal to 1?

math linear-algebra
 Aug 18, 2014

Best Answer 

 #1
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Parallel lines have the same slopes.

 Aug 18, 2014

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 #1
avatar+4473 
+5
Best Answer

Parallel lines have the same slopes.

AzizHusain Aug 18, 2014

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