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05 Apr 2008, 11:35
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Hello,
I know that the square root of a number can be both positive and negative. For instance, square root of 4 can be +2 and -2.
However, in Manhattan GMAT Prep, Number properties book, it's stated that in GMAT follows the convention that root sign denotes only non-negative root of a number. Therefore, square root of 4 should always resolve to +2 in a GMAT question.
Do you agree with this? I find this hard to believe because I am sure I have solved many Data Sufficiency questions where I considered a square root to have two solutions, positive and negative. Looking forward to what you guys think?
I know that the square root of a number can be both positive and negative. For instance, square root of 4 can be +2 and -2.
However, in Manhattan GMAT Prep, Number properties book, it's stated that in GMAT follows the convention that root sign denotes only non-negative root of a number. Therefore, square root of 4 should always resolve to +2 in a GMAT question.
Do you agree with this? I find this hard to believe because I am sure I have solved many Data Sufficiency questions where I considered a square root to have two solutions, positive and negative. Looking forward to what you guys think?
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block below for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
05 Apr 2008, 17:11
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Thanks a lot! BTW, I posted a reply for your other question about what to do in DC. HTH.
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
