document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1077798>Question 1077798</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write the equation of the circle with center (-1, 9) and containing the point (2, 5). Use the ^ key for the exponents.\r<BR>\n" );
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document.write( "Write your answer like this: (x+3)^2+(y-8)^2=49 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #692321 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=692321\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The form we are looking for 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;\" ><BR>\n" );
document.write( "    where (h,k) is the center<BR>\n" );
document.write( "    and  r is the radius\r<BR>\n" );
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document.write( "We know the center, let's find the radius:\r<BR>\n" );
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document.write( "  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%5E2+=+%282-%28-1%29%29%5E2+%2B+%285-9%29%5E2%29+=+9%2B16+=+25+ ALIGN=MIDDLE  ALT=\"+r%5E2+=+%282-%28-1%29%29%5E2+%2B+%285-9%29%5E2%29+=+9%2B16+=+25+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "—<BR>\n" );
document.write( "Ans:   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28x%2B1%29%5E2+%2B+%28y-9%29%5E2+=+25+ ALIGN=MIDDLE  ALT=\"+%28x%2B1%29%5E2+%2B+%28y-9%29%5E2+=+25+\"   DISABLED_style= \"max-width:90%; height:auto;\" >            <BR>\n" );
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document.write( "(x+1)^2 + (y-9)^2 = 25 </SPAN>\n" );
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