document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=447854>Question 447854</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you know the difference between a circle or an ellipse?\r<BR>\n" );
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document.write( "for an example..\r<BR>\n" );
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document.write( "7x^2 + 7y^2 - 10x + 14y - 20 = 0\r<BR>\n" );
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document.write( "is this a circle or an ellipse?\r<BR>\n" );
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document.write( "i know its not a parabola, neither A nor C is zero, and A and C have the same sign, which its not an hyperbola. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #308260 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=308260\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you know the difference between a circle or an ellipse? <BR>\n" );
document.write( "for an example.. <BR>\n" );
document.write( "7x^2 + 7y^2 - 10x + 14y - 20 = 0 <BR>\n" );
document.write( "is this a circle or an ellipse?<BR>\n" );
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document.write( "If the x^2 and the y^2 have equal coefficients,<BR>\n" );
document.write( "the graph is a circle.<BR>\n" );
document.write( "If they have different signs the graph is a hyperbola.<BR>\n" );
document.write( "If they have the same sign but different values the<BR>\n" );
document.write( "graph is an ellipse.\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "i know its not a parabola, neither A nor C is zero, and A and C have the same sign, which its not an hyperbola.<BR>\n" );
document.write( " </SPAN>\n" );
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