document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1162724>Question 1162724</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Which of the following expressions are polynomials in one variable and which are not? State reasons for your answer:\r<BR>\n" );
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document.write( "(i) 3x2  -  4x + 15\r<BR>\n" );
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document.write( "(ii) y2 + 2√3\r<BR>\n" );
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document.write( "(iii) 3√x + √2x\r<BR>\n" );
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document.write( "(iv) x  -  4/x\r<BR>\n" );
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document.write( "(v) x12 + y3 + t50<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #786548 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52862)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=786548\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "Everywhere you see two variables, is not a polynomial in one variable.\r<BR>\n" );
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document.write( "Everywhere you see variable under the square root, is not a polynomial of that variable.\r<BR>\n" );
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document.write( "Everywhere you see a variable in the denominator, is not a polynomial.\r<BR>\n" );
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document.write( "Also, as a useful remainder, 2x2 = 4.\r<BR>\n" );
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