document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=946250>Question 946250</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A circle has centre C (2,1) and radius 5. Show that the equation of the circle can be written as x^ + y^ - 4x - 2y - 20 = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #577259 by </B><A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><B>Edwin McCravy(20060)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Edwin+McCravy><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=Edwin+McCravy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=577259\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28400%2C400%2C-4%2C10%2C-6%2C8%2C+graph%28400%2C400%2C-4%2C10%2C-6%2C8%29%2C+circle%282%2C1%2C5%29%2C%0D%0A%0D%0Agreen%28line%282%2C1%2C5%2C5%29%29%2Clocate%282%2C1%2C%22%282%2C1%29%22%29%2C+locate%285%2C5.5%2C%22%28x%2Cy%29%22%29%2C+%0D%0A%0D%0A%0D%0A%0D%0Acircle%282%2C1%2C0.15%29%2Ccircle%282%2C1%2C0.13%29%2Ccircle%282%2C1%2C0.11%29%2Ccircle%282%2C1%2C0.09%29%2Ccircle%282%2C1%2C0.07%29%2Ccircle%282%2C1%2C0.05%29%2Ccircle%282%2C1%2C0.03%29%2Ccircle%282%2C1%2C0.01%29%2Clocate%283.5%2C3%2C5%29%2C%0D%0A%0D%0Acircle%285%2C5%2C0.15%29%2Ccircle%285%2C5%2C0.13%29%2Ccircle%285%2C5%2C0.11%29%2Ccircle%285%2C5%2C0.09%29%2Ccircle%285%2C5%2C0.07%29%2Ccircle%285%2C5%2C0.05%29%2Ccircle%285%2C5%2C0.03%29%2Ccircle%285%2C5%2C0.01%29++%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%2819%2C1%2C%0D%0ADistance%2Cfrom%2Carbitrary%2Cpoint%2C%22%28x%2Cy%29%22%2Cto%2Ccenter%2C%22%282%2C1%29%22%2C%22%22%2Cd=sqrt%28%28x-3%29%5E2%2B%28y-1%29%5E2%29%2Cis%2Cthe%2C%22radius=5%22%2C%22%22%2C%0D%0Asqrt%28%28x-2%29%5E2%2B%28y-1%29%5E2%29=5%2C%28x-2%29%5E2%2B%28y-1%29%5E2=5%5E2%2Cx%5E2-4x%2B4%2By%5E2-2y%2B1=25%2Cx%5E2%2By%5E2-4x-2y%2B5=25%2C+x%5E2%2By%5E2-4x-2y-20=0%29%0D%0A%0D%0A%0D%0A ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > \r\n" );
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document.write( "Edwin</PRE> </SPAN>\n" );
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