document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206830>Question 206830</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I tried to solve this problem but I didnt come to far, could someone help me with it? <BR>\n" );
document.write( "Problem; Given that the equation of a circle is x^2+y^2-10x+4y+13=0,find íts center and its radius.<BR>\n" );
document.write( "The way I tried to solve it;<BR>\n" );
document.write( "(x-h)^2+(y-k)^2=r^2<BR>\n" );
document.write( "(x^2-10x+9)+(y^2+4y+1)= -13+9+1<BR>\n" );
document.write( "(I think I did something totally wrong here)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #156356 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=156356\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you need to COMPLETE THE SQUARE for the x's and y's\r<BR>\n" );
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document.write( "you're on the right track, but you need different constant terms\r<BR>\n" );
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document.write( "the first order terms (-10x and 4y) determine the constants\r<BR>\n" );
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document.write( "x^2 - 10x + 25 = (x - 5)^2\r<BR>\n" );
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document.write( "y^2 +4y + 4 = (y + 2)^2\r<BR>\n" );
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document.write( "(x^2 - 10x + 25) + (y^2 + 4y + 4) = -13 + 25 + 4 = 16\r<BR>\n" );
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document.write( "(x - 5)^2 + (y + 2)^2 = 4^2 </SPAN>\n" );
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