document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=457912>Question 457912</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the CENTER and the LENGTH of a radius of the circle. <BR>\n" );
document.write( "x2 + y2 + 16x + 4y + 59 = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #314091 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=314091\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the CENTER and the LENGTH of a radius of the circle. <BR>\n" );
document.write( "x^2 + y^2 + 16x + 4y + 59 = 0<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "Complete the square on the x-terms and on the y-terms.<BR>\n" );
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document.write( "x^2+16x+64 + y^2+4y+4 = -59+64+4<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "(x+8)^2 + (y+2)^2 = 9<BR>\n" );
document.write( "---<BR>\n" );
document.write( "center at (-8,-2)<BR>\n" );
document.write( "radius = sqrt(9) = 3<BR>\n" );
document.write( "=========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );