document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168335>Question 1168335</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The circle is tangent to y-axis, and the center is at (5, 3). Find the equation of a circle. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #792928 by </B><A HREF=/tutors/aboutme.mpl?userid=dkppathak><B>dkppathak(439)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dkppathak><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=dkppathak><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=792928\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The circle is tangent to y-axis, and the center is at (5, 3). Find the equation of a circle.<BR>\n" );
document.write( "solution <BR>\n" );
document.write( "tangent at y axis means circle is passing through y axis (0,3)<BR>\n" );
document.write( "radius of circle =5<BR>\n" );
document.write( "equation of circle <BR>\n" );
document.write( "(x-h)^2+(y-k)^2=r^2\r<BR>\n" );
document.write( "\n" );
document.write( "(x-5)^2+(y-3)^2=25<BR>\n" );
document.write( "x^2-10x+25+y^2-6y+9=25<BR>\n" );
document.write( "x^2+y^2-10x-6y+9=0 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );