document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=427491>Question 427491</A>: <I><SPAN STYLE=\"word-break: break-all;\"> write the equation of a circle whose diameter has endpoints (2,-7) and (2,1). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #297279 by </B><A HREF=/tutors/aboutme.mpl?userid=Gogonati><B>Gogonati(855)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Gogonati><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=Gogonati><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=297279\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solution: The center of circle is: X0=2+2/2=2 and Y0=-7+1/2=-3, center is (2,-3)<BR>\n" );
document.write( "and <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d=+sqrt+%28%282-2%29%5E2%2B%281%2B7%29%5E2%29 ALIGN=MIDDLE  ALT=\"+d=+sqrt+%28%282-2%29%5E2%2B%281%2B7%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, d=8 and r=4 As we know the equation of circle\r<BR>\n" );
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document.write( "Centered at (X0,Y0) and radius r is: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28X-X0%29%5E2%2B%28Y-Y0%29%5E2=R%5E2 ALIGN=MIDDLE  ALT=\"%28X-X0%29%5E2%2B%28Y-Y0%29%5E2=R%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Substituting our given results: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x-2%29%5E2%2B%28y%2B3%29%5E2=16 ALIGN=MIDDLE  ALT=\"%28x-2%29%5E2%2B%28y%2B3%29%5E2=16\"   DISABLED_style= \"max-width:90%; height:auto;\" > is the equation of circle. \r<BR>\n" );
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