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May 4th, 2017, 04:35 PM  #1 
Newbie Joined: May 2017 From: US Posts: 3 Thanks: 0  College Level Placement Pretest
Which of the following equations is a line parallel to the graph of x5y=8 ? a. x+5y=8 b. 5xy=8 c. 2x+10y=8 d. 2x10y=8 e. 10x2y=8 Can someone please explain to me why the answer is D? And show the work step by step; I would appreciate it. Last edited by skipjack; May 5th, 2017 at 01:13 AM. 
May 4th, 2017, 04:45 PM  #2 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 9,076 Thanks: 622 
Rewrite both in y = mx + b format.

May 4th, 2017, 07:50 PM  #3 
Member Joined: Feb 2015 From: Southwest Posts: 96 Thanks: 24 
Look for identical slope, lines that are parallel have same slope (m).


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