terryp terryp
  • 30-04-2015
  • Mathematics
Answered

opposite reciprocal slope lines or parallel or perpendicular



Answer :

AL2006
AL2006 AL2006
  • 30-04-2015


-- If two lines on a graph are parallel, then their slopes are equal.

-- If two lines on a graph are perpendicular, then their slopes are
negative reciprocals.


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