document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1082830>Question 1082830</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The diameter of a circle has endpoints P (0; 0) and Q(8;-4) : The equation of the circle is\r<BR>\n" );
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document.write( "1. (x - 8)squared + (y + 4)squared = square root 20<BR>\n" );
document.write( "2.(x - 4)squared + (y + 2) squared  = 20<BR>\n" );
document.write( "3. (x + 4) squared  + (y - 2)squared  = 2 square root 5<BR>\n" );
document.write( "4.x2 + y2 = 4 square root 5<BR>\n" );
document.write( "5.(x - 4)squared  + (y + 2)squared = square root 80\r<BR>\n" );
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document.write( "please assist with this question I am like totally lost </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #696867 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=696867\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The diameter of a circle has endpoints P (0; 0) and Q(8;-4) : The equation of the circle is<BR>\n" );
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document.write( "Use commas, not semi-colons.<BR>\n" );
document.write( "endpoints P (0,0) and Q(8,-4)<BR>\n" );
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document.write( "the center is the midpoint, call it C.<BR>\n" );
document.write( "C is (4,-2).  Do you know how to find that?<BR>\n" );
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document.write( "The radius is the distance from C to either P or Q.<BR>\n" );
document.write( "r^2 = 4^2 + 2^2 = 20<BR>\n" );
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document.write( "The equation of a circle with its center at (h,k) and radius r is<BR>\n" );
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document.write( "Which one matches that, if any?<BR>\n" );
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document.write( "email via the TY note for help, or to check your work.\r<BR>\n" );
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