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August 25th, 2008, 02:35 PM  #1 
Newbie Joined: Aug 2008 Posts: 3 Thanks: 0  question on homework. i need help.
i need to translate the following question into a mathematical expression. can someone help? the opposite of 3 squared. 
August 25th, 2008, 08:30 PM  #2 
Newbie Joined: Aug 2008 Posts: 8 Thanks: 0  Re: question on homework. i need help.
Opposite of three squared would be ?x That being the root sign with a three over the little notch on the left. 
August 26th, 2008, 06:29 AM  #3 
Senior Member Joined: May 2008 From: York, UK Posts: 1,300 Thanks: 0  Re: question on homework. i need help.
I'm not entirely sure what you mean  3 squared is equal to 9, but the word 'opposite' doesn't have a welldefined meaning when applied to pure numbers. It could be 9, 1/9, even something like depending on the context. If you can give a little more info on what the problem is, it might become clearer.

August 26th, 2008, 01:59 PM  #4  
Senior Member Joined: Jul 2008 Posts: 895 Thanks: 0  Re: question on homework. i need help. Quote:
 
August 26th, 2008, 02:00 PM  #5  
Senior Member Joined: Jul 2008 Posts: 895 Thanks: 0  Re: question on homework. i need help. Quote:
 
August 27th, 2008, 11:45 AM  #6 
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 937 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: question on homework. i need help.
"Opposite" is often used for the additive inverse; if that's the case, the opposite of x is x. The problem is still unclear even if that;'s the correct interpretation of opposite, though: is it (the opposite of 3) squared, or the opposite of (3 squared)?

August 27th, 2008, 06:16 PM  #7  
Newbie Joined: Aug 2008 Posts: 8 Thanks: 0  Re: question on homework. i need help. Quote:
My bad. I got mixed up when three got involved. xP That'd be Just regular root three then.  

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