document.write( "Question 1189675: Determine whether each algebraic expression is a polynomial or not. \r
\n" ); document.write( "\n" ); document.write( "1. 𝑥^3−2𝑥^2+𝑥+1/3
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Algebra.Com's Answer #821106 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Most of them are polynomials.\r\n" );
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document.write( "A polynomial cannot contain any denominator or roots that contain a\r\n" );
document.write( "variable.  However, polynomials may contain denominators and roots as \r\n" );
document.write( "long as they do not contain any variables.\r\n" );
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document.write( "4, 8, and 9 are not polynomials because they contain denominators that \r\n" );
document.write( "contain variables.\r\n" );
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document.write( "The others are polynomials except that I can't tell about 7.  It depends on\r\n" );
document.write( "whether you meant\r\n" );
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document.write( "It would have been good if you had written parentheses to group together\r\n" );
document.write( "what goes inside the square root, like this: √(2)x+4, √(2x)+4, or √(2x+4) \r\n" );
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document.write( "The first one's root does not contain x, so it's a polynomial.\r\n" );
document.write( "The other two's's roots do, so they're not polynomials.\r\n" );
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document.write( "Edwin
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