document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1134505>Question 1134505</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find an equation of the circle whose diameter has endpoints (-5,-5) and (3,1)\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #751906 by </B><A HREF=/tutors/aboutme.mpl?userid=mathsolverplus><B>mathsolverplus(88)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mathsolverplus><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=mathsolverplus><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=751906\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the distance between the two points first: \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=sqrt%28%281-%28-5%29%29%5E2%2B%283-%28-5%29%29%5E2%29 ALIGN=MIDDLE  ALT=\"d=sqrt%28%281-%28-5%29%29%5E2%2B%283-%28-5%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%2836%2B64%29 ALIGN=MIDDLE  ALT=\"d=sqrt%2836%2B64%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=10 ALIGN=MIDDLE  ALT=\"d=10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If diameter = 10, radius = 5 because radius is half of diameter.\r<BR>\n" );
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document.write( "Now, we need to find the center of the circle, which is midpoint between the two given points. \r<BR>\n" );
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document.write( "Midpoint = ((-5+3)/2, (-5+1)/2)<BR>\n" );
document.write( "         = (-1, -2)\r<BR>\n" );
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document.write( "The equation of a circle: <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;\" >         (h,k) is the center and r = 5\r<BR>\n" );
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document.write( "We found center to be (-1,-2) and radius = 5:\r<BR>\n" );
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document.write( "Solution: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B1%29%5E2%2B%28y%2B2%29%5E2=25 ALIGN=MIDDLE  ALT=\"%28x%2B1%29%5E2%2B%28y%2B2%29%5E2=25\"   DISABLED_style= \"max-width:90%; height:auto;\" >  \r<BR>\n" );
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