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April 8th, 2012, 01:38 PM  #1 
Senior Member Joined: Mar 2012 Posts: 111 Thanks: 0  Absolute Value question
8x>0 is the answer: A. 8x B. 8+x C. 8x D. 8+x I put B as the answer. Is this correct? 
April 8th, 2012, 03:29 PM  #2 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 520 Math Focus: Calculus/ODEs  Re: Absolute Value question
You may geometrically interpret the statement as all numbers x such that the distance between x and 8 is greater than zero, that is all real numbers except 8. We have two cases to consider: <8" /> >8" /> or we may simply choose to write: \ne8" /> Thus x is in: \,\cup\,\(8,\infty\)" /> 
April 9th, 2012, 08:59 PM  #3 
Newbie Joined: Apr 2012 Posts: 10 Thanks: 0  Re: Absolute Value question
I too have a question regarding absolute values. solve algebraically: x = 4x1 are 1/3 and 1/5 correct? 
April 9th, 2012, 09:26 PM  #4 
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 520 Math Focus: Calculus/ODEs  Re: Absolute Value question
You should begin your own topic, but just please do that in the future... You have two cases to consider: 1.) 2.) You are correct. 

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