document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=459327>Question 459327</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please note that graphing is not allowed in solving this.\r<BR>\n" );
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document.write( "If x^2+y^2=9 and x-3y=3, then what are the values of x and y? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #317307 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=317307\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If x^2+y^2=9 and x-3y=3, then what are the values of x and y?<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x^2+y^2=9<BR>\n" );
document.write( "x-3y=3<BR>\n" );
document.write( "..<BR>\n" );
document.write( "3y=x-3<BR>\n" );
document.write( "y=(x-3)/3<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x^2+y^2=9<BR>\n" );
document.write( "x^2+[(x-3)/3]^2=9<BR>\n" );
document.write( "x^2+(x^2-6x+9)/9=9<BR>\n" );
document.write( "LCD:9<BR>\n" );
document.write( "9x^2+x^2-6x+9=81<BR>\n" );
document.write( "10x^2-6x-81=0<BR>\n" );
document.write( "solve by quadratic formula:<BR>\n" );
document.write( "a=10, b=-6, c=-81<BR>\n" );
document.write( "x=]-(-6)ħsqrt((-6)^2-4*10*(-81)]/2*10<BR>\n" );
document.write( "x=[6ħsqrt(3276)]/20<BR>\n" );
document.write( "x=(6ħ57.24)/20<BR>\n" );
document.write( "x=3.16<BR>\n" );
document.write( "y=(3.16-3)/3=.0533<BR>\n" );
document.write( "or<BR>\n" );
document.write( "x=-2.56<BR>\n" );
document.write( "y=(-2.56-3)/3=-1.85 </SPAN>\n" );
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