document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=539802>Question 539802</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi I am trying to figure out how to find the equation of a circle if the center is (4,4) and it passes through (-5,0)\r<BR>\n" );
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document.write( "I know there is an equation that goes with this where you subtract and ^2 power 4-(-5)^2 and (0-4)^2, but that is about all I have figured out & am not sure if it is correct.  Thank you for your help.\r<BR>\n" );
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document.write( "LB </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #353953 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=353953\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi I am trying to figure out how to find the equation of a circle if the center is (4,4) and it passes through (-5,0)<BR>\n" );
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document.write( "Standard form of equation of circle: (x-h)^2+(y-k)^2=r^2, (h,k)=(x,y) coordinates of center, r=radius<BR>\n" );
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document.write( "Using given coordinates of center (4,4) and point (-5,0)<BR>\n" );
document.write( "(-5-4)^2+(0-4)^2=r^2<BR>\n" );
document.write( "(-9)^2+(-4)^2=r^2<BR>\n" );
document.write( "81+16=r^2<BR>\n" );
document.write( "97=r^2<BR>\n" );
document.write( "r=&#8730;97<BR>\n" );
document.write( "equation of circle:  (x-4)^2+(y-4)^2=97 </SPAN>\n" );
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