document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=478940>Question 478940</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use the discriminant to determine the number of solutions of the quadratic equation, and whether the solutions are real or complex.  Note: It is not necessary to find the roots; just determine the number and types of solutions.\r<BR>\n" );
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document.write( "x^2 + 6x -7 = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #328183 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=328183\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2 + 6x -7 = 0<BR>\n" );
document.write( "Find the discriminant, D = b^2 - 4ac<BR>\n" );
document.write( "a = 1<BR>\n" );
document.write( "b = 6<BR>\n" );
document.write( "c = -7<BR>\n" );
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document.write( "If D > 0, 2 real solutions<BR>\n" );
document.write( "If D < 0, 2 complex solutions.<BR>\n" );
document.write( "If d = 0, 1 real solution of multiplicity 2 (2 real solutions that are equal)  </SPAN>\n" );
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