document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1162875>Question 1162875</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A circle is drawn through P(−2, 12), Q(4, 4) and O(0, 0). What are the coordinates of the centre of this circle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #786782 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=786782\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "Choose two of the given points:  Calculate the slope of the line containing the line segment defined by those two points and find the midpoint of that line segment.\r<BR>\n" );
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document.write( "Repeat for another pair of given points.\r<BR>\n" );
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document.write( "Find an equation for a line that passes through the midpoint of one of the segments that has a slope that is the negative reciprocal of the slope of the line containing the segment.\r<BR>\n" );
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document.write( "Repeat for the other line segment.\r<BR>\n" );
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document.write( "Solve the 2X2 system of equations to determine the point of intersection which will be the center of the given circle.<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ \\r\"> </SPAN>\n" );
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