document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=329434>Question 329434</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Part a) Given three noncollinear points,construct the circle and then write the equation of the circle.\r<BR>\n" );
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document.write( "The points are A(12,-1),B(6,-3),C(4,3)\r<BR>\n" );
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document.write( "Part b) Using the equation and graph of the circle above,determine if the following lines are tangent,secant, or neither.\r<BR>\n" );
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document.write( "y=1\r<BR>\n" );
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document.write( "y=2x-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #236173 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=236173\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use determinants.<BR>\n" );
document.write( "|x^2 + y^2  +x  +y  +1|<BR>\n" );
document.write( "x1^2+y1^2  x1  y1 +1|<BR>\n" );
document.write( "x2^2+y2^2  x2  y2 1| = 0<BR>\n" );
document.write( "x3^2+y3^2  x3  y3 1|\r<BR>\n" );
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document.write( "(x1,y1), etc are the 3 points.<BR>\n" );
document.write( "It looks messy, but I made an Excel sheet that does them.<BR>\n" );
document.write( "It also does parabolas. </SPAN>\n" );
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