Friday
April 18, 2014

Homework Help: algebra 2

Posted by Terri on Friday, April 11, 2008 at 4:10pm.

Find the set of all integers, n, for which the fraction


20/(10-n*n) is an integer


I used n*n for n squared

I figured that 10-n*n must be a factor of 20 and the only answer that ended up working was +-3, is this right?

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