text: ##### Are the graphs of the lines in the pair parallel? Explain.
  
   Mathematics Tutor: None Selected Time limit: 1 Day
  
  Are the graphs of the lines in the pair parallel? Explain.
  
  y = 6x + 9
  27x – 3y = –81
  
  a.  Yes, since the slopes are the same and the y-intercepts are the same.
  
  b.  No, since the slopes are different.
  
  c.  No, since the y-intercepts are different.
  
  d.  Yes, since the slopes are the same and the y-intercepts are different.
  
  Apr 27th, 2015
  
  y = 6x + 9----------slope is 6
  27x – 3y = –81----------3y=27x+81-------y=9x+27---------slope is 9
  
  b.  No, since the slopes are different.
  
  Apr 27th, 2015
  
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  Apr 27th, 2015
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  Apr 27th, 2015
  May 23rd, 2017
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