document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1147016>Question 1147016</A>: <I><SPAN STYLE=\"word-break: break-all;\"> explain why you cannot answer the following question. \r<BR>\n" );
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document.write( "If y=0 when x=0, what is x when y=13? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #768303 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=768303\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you have no idea what the relationship is between x and y.\r<BR>\n" );
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document.write( "if the equation is y = x, then you can say that when y = 13, x = 13.<BR>\n" );
document.write( "other than that, you cannot be guaranteed that, when y = 13, x will also be 13.\r<BR>\n" );
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document.write( "a couple of examples:\r<BR>\n" );
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document.write( "y = 2x.<BR>\n" );
document.write( "when y = 0, x = 0<BR>\n" );
document.write( "when y = 13, x = 6.5\r<BR>\n" );
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document.write( "y = x^2<BR>\n" );
document.write( "when y = 0, x = 0<BR>\n" );
document.write( "when y = 13, x = sqrt(13)\r<BR>\n" );
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document.write( "note that, when y = 0, x doesn't necessarily have to be equal to 0.\r<BR>\n" );
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document.write( "example:\r<BR>\n" );
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document.write( "y = x + 2<BR>\n" );
document.write( "when y = 0, x = -2\r<BR>\n" );
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document.write( "even though some equations will let x be equal to 0 when y is equal to 0, it doesn't necessarily follow that, when y = 13, x = 13.\r<BR>\n" );
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document.write( "it has to do with the equation that tells you the relationship between x and y.\r<BR>\n" );
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