document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=878280>Question 878280</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do i try and work out a polynomial?\r<BR>\n" );
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document.write( "The question i have gotten is\r<BR>\n" );
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document.write( "which one of the following are polynomials?<BR>\n" );
document.write( "x^2+5x-4, (&#8730;x-3)(&#8730;x+3), &#8730;x^2+2x+1, 3x/4+1, x^4-3x^2+6x-7, &#8730;x^2-2x\r<BR>\n" );
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document.write( "How would i simplify these to find out which one is the polynomial and if there is an easy method i could use.<BR>\n" );
document.write( "Thank you <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 #529826 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=529826\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a polynomial can have<BR>\n" );
document.write( "1) constants like 3, -20, 1/2<BR>\n" );
document.write( "2) variables like x and y<BR>\n" );
document.write( "3) exponents like the 2 in x^2 BUT only 0, 1, 2, 3, ..... are allowed<BR>\n" );
document.write( "so, a polynomial can have constants, variables and exponents,<BR>\n" );
document.write( "but never division by a variable.<BR>\n" );
document.write( "A) x^2+5x-4 is a polynomial<BR>\n" );
document.write( "B) (&#8730;x-3)(&#8730;x+3) = x - 9 is a polynomial<BR>\n" );
document.write( "C) &#8730;x^2+2x+1 = x + 2x +1 = 3x + 1 is a polynomial and -x + 2x + 1 = x + 1 ia a polynomial<BR>\n" );
document.write( "D) 3x/4+1 is a polynomial since division by a constant is allowed<BR>\n" );
document.write( "E) x^4-3x^2+6x-7 is a polynomial<BR>\n" );
document.write( "F) &#8730;x^2-2x = x - 2x = -x is a polynomial and -x -2x = -3x is a polynomial<BR>\n" );
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