document.write( "Question 673347: Explain why the square root of 25 belongs to 4 subsets of the real numbers , but the square root of 5 only belongs to 1 . tell which subsets each belong to and why . \n" ); document.write( "
Algebra.Com's Answer #418626 by Edwin McCravy(20060)\"\" \"About 
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document.write( "The square root of 25 is 5, which \r\n" );
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document.write( "1. A rational number, since 5 is the ratio of the two integers 5 and 1.\r\n" );
document.write( "2. An integer since 5 is an element of {...,-3,-2,-1,0,1,2,3,...} \r\n" );
document.write( "3. A whole number, since 5 is an element of {0,1,2,3,...}\r\n" );
document.write( "4. A counting number, since 5 is an element of {1,2,3,...}\r\n" );
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document.write( "The square root of 5 is only \r\n" );
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document.write( "1. An irrational number, since it is not the ratio of any two integers.\r\n" );
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document.write( "[It can only be approximated by\r\n" );
document.write( "this nonrepeating infinite decimal, it goes on forever:\r\n" );
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document.write( "2.2360679774997896964091736687312762354406183596115257...]\r\n" );
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document.write( "Edwin
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