document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=806453>Question 806453</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this problem:\r<BR>\n" );
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document.write( "What is the equation of a circle that has a diameter with endpoints  (1,3) and (-3,1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #485853 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=485853\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the equation of a circle that has a diameter with endpoints  (1,3) and (-3,1)<BR>\n" );
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document.write( "The center of the circle is the midpoint.<BR>\n" );
document.write( "The radius is the distance from the midpoint to either given point.<BR>\n" );
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document.write( "Call the midpoint is (h,k), then<BR>\n" );
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