document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=28887>Question 28887</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to re-write the following expression using negative exponents:\r<BR>\n" );
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document.write( "x^2/y^2\r<BR>\n" );
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document.write( "The book gives the answer as:\r<BR>\n" );
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document.write( "y^-2/x^-2\r<BR>\n" );
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document.write( "How did they get this? All of the example problems about writing equivalent expressions using negative exponents have been limited to single literals, often with the answer containing a 1 in the numerator. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #15774 by </B><A HREF=/tutors/aboutme.mpl?userid=sdmmadam@yahoo.com><B>sdmmadam@yahoo.com(530)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sdmmadam@yahoo.com><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=15774\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I am trying to re-write the following expression using negative exponents:\r<BR>\n" );
document.write( "\n" );
document.write( "x^2/y^2\r<BR>\n" );
document.write( "\n" );
document.write( "The book gives the answer as:\r<BR>\n" );
document.write( "\n" );
document.write( "y^-2/x^-2\r<BR>\n" );
document.write( "\n" );
document.write( "How did they get this? All of the example problems about writing equivalent expressions using negative exponents have been limited to single literals, often with the answer containing a 1 in the numerator.\r<BR>\n" );
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document.write( "Thr rule is<BR>\n" );
document.write( "(a)^m = 1/(a)^(-m)<BR>\n" );
document.write( "and (x)^(-n) = 1/(x)^n\r<BR>\n" );
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document.write( "Therefore<BR>\n" );
document.write( "x^2/y^2 = [(x)^2]X[1/y^2]<BR>\n" );
document.write( "=[1/x^-2]X[y^-2]  (using the above)<BR>\n" );
document.write( "=y^-2/x^-2<BR>\n" );
document.write( " </SPAN>\n" );
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