document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=519085>Question 519085</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need more help, big surprise!!<BR>\n" );
document.write( "Find the center and exact radius (no non-terminating decimal places) of this circle:  x^2 + y^2 - 10x +4y + 7 = 0<BR>\n" );
document.write( "Please show me how to do this!!<BR>\n" );
document.write( "Thanks for helping me! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #345368 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=345368\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the center and exact radius (no non-terminating decimal places) of this circle:  x^2 + y^2 - 10x +4y + 7 = 0<BR>\n" );
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document.write( "Complete the squares.<BR>\n" );
document.write( "x^2 - 10x + y^2 +4y = - 7<BR>\n" );
document.write( "x^2 - 10x + 25 + y^2 + 4y + 4 = - 7 + 25 + 4<BR>\n" );
document.write( "(x-5)^2 + (y+2)^2 = 25<BR>\n" );
document.write( "Center at (5,-2)<BR>\n" );
document.write( "r = 5\r<BR>\n" );
document.write( "\n" );
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