document.write( "Question 478896: Give the principal roots of each of the following. ( for square roots, assume the principal square is required unless the problem indicates otherwise.)\r
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Algebra.Com's Answer #328138 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
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document.write( "Hi,
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document.write( "principal square root: The positive square root of a positive real number
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document.write( "  \"Sqrt%2849%29\" = ± 7    |principal square root is 7\r
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document.write( "\"3sqrt%28-27%29\" = ± 9isqrt(3)  |principal square root is 9isqrt(3)
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