csalisbury2009 csalisbury2009
  • 25-05-2014
  • Mathematics
contestada

A rectangle's length is three times its width.  Let w denote the rectangle's width.  What polynomial represents the rectangle's area? 

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AL2006
AL2006 AL2006
  • 25-05-2014
Width = ' W '
Length = 3 times as long = 3W

Area = (length) x (width) = (3W) x (W) = 3W²
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