document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1006238>Question 1006238</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the equation of the circle 4x^2+24x+4y^2-32y=44 can be written as (x-a)^2+(y-b)^2=r^2, then a+b+r=<BR>\n" );
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document.write( "A) 12<BR>\n" );
document.write( "B) 13<BR>\n" );
document.write( "C) -1<BR>\n" );
document.write( "D) 7<BR>\n" );
document.write( "E) 5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #622380 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=622380\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x^2 +24x +4y^2 -32y = 44<BR>\n" );
document.write( "divide both sides of = by 4<BR>\n" );
document.write( "x^2 +6x +y^2 -8y = 11<BR>\n" );
document.write( "complete the square<BR>\n" );
document.write( "x^2 +6x +9 +y^2 -8y + 16 = 11 +9 +16<BR>\n" );
document.write( "(x+3)^2 +(y-4)^2 = 36, therefore<BR>\n" );
document.write( "a = -3, b = 4, r = 6, then<BR>\n" );
document.write( "-3 +4 +6 = 7<BR>\n" );
document.write( "answer is D\r<BR>\n" );
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