document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=623929>Question 623929</A>: <I><SPAN STYLE=\"word-break: break-all;\">  I need help with this circle problem it annoying me at this point can someone explain what i need to do in steps. Also need to identify H,K,R\r<BR>\n" );
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document.write( "Find the equation of the circle whose diameter has endpoints (-9, -2) and (1, 1). Write it in the form<BR>\n" );
document.write( "(x-h)^2 + (y-k)^2 = r^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #392413 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=392413\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If you locate the center of the line<BR>\n" );
document.write( "between (-9,-2) and ( 1,1 ), that will be the<BR>\n" );
document.write( "center of the circle. The standard form for<BR>\n" );
document.write( "the circle is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2+ ALIGN=MIDDLE  ALT=\"+%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <BR>\n" );
document.write( "the center is at ( h,k )<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "The x-coordinate of the center is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+1+-+9+%29+%2F+2+=+-4+ ALIGN=MIDDLE  ALT=\"+%28+1+-+9+%29+%2F+2+=+-4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The y-coordinate of the center is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+1+-2+%29+%2F+2+=+-+1%2F2+ ALIGN=MIDDLE  ALT=\"+%28+1+-2+%29+%2F+2+=+-+1%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+h+=+-4+ ALIGN=MIDDLE  ALT=\"+h+=+-4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+k+=+-1%2F2+ ALIGN=MIDDLE  ALT=\"+k+=+-1%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The radius is 1/2 of the diameter<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+sqrt%28+%28+1+-%28-9%29+%29%5E2+%2B+%28+1+-%28-2%29+%29%5E2+%29+ ALIGN=MIDDLE  ALT=\"+d+=+sqrt%28+%28+1+-%28-9%29+%29%5E2+%2B+%28+1+-%28-2%29+%29%5E2+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+sqrt%28+10%5E2+%2B+3%5E2+%29+ ALIGN=MIDDLE  ALT=\"+d+=+sqrt%28+10%5E2+%2B+3%5E2+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=+sqrt%28+109+%29+ ALIGN=MIDDLE  ALT=\"+d+=+sqrt%28+109+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r+=++sqrt%28109%29%2F+2+ ALIGN=MIDDLE  ALT=\"+r+=++sqrt%28109%29%2F+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2+ ALIGN=MIDDLE  ALT=\"+%28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28x-%28-4%29%29%5E2+%2B+%28y-%28-1%2F2%29%29%5E2+=+%28+sqrt%28109%29%2F2%29%5E2+ ALIGN=MIDDLE  ALT=\"+%28x-%28-4%29%29%5E2+%2B+%28y-%28-1%2F2%29%29%5E2+=+%28+sqrt%28109%29%2F2%29%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+x+%2B+4+%29%5E2+%2B+%28+y+%2B+1%2F2+%29%5E2+=+109%2F4+ ALIGN=MIDDLE  ALT=\"+%28+x+%2B+4+%29%5E2+%2B+%28+y+%2B+1%2F2+%29%5E2+=+109%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "Does it pass through ( -9,-2 ) ?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+-9+%2B+4+%29%5E2+%2B+%28+-2+%2B+1%2F2+%29%5E2+=+109%2F4+ ALIGN=MIDDLE  ALT=\"+%28+-9+%2B+4+%29%5E2+%2B+%28+-2+%2B+1%2F2+%29%5E2+=+109%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+-5+%29%5E2+%2B+%28+-3%2F2%29%5E2+=+109%2F4+ ALIGN=MIDDLE  ALT=\"+%28+-5+%29%5E2+%2B+%28+-3%2F2%29%5E2+=+109%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+25+%2B+9%2F4+=+109%2F4+ ALIGN=MIDDLE  ALT=\"+25+%2B+9%2F4+=+109%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+100%2F4+%2B+9%2F4+=+109%2F4+ ALIGN=MIDDLE  ALT=\"+100%2F4+%2B+9%2F4+=+109%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+109%2F4+=+109%2F4+ ALIGN=MIDDLE  ALT=\"+109%2F4+=+109%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK- you can check (1,1) </SPAN>\n" );
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