document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=193503>Question 193503</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.	Determine the number of solutions and classify the type of solutions for each of the following equations.  Justify your answer. \r<BR>\n" );
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document.write( "	 x2 – 4x - 7  = 0 <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #145256 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=145256\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2-4ac=%28-4%29%5E2-4%281%29%28-7%29=16%2B28=44 ALIGN=MIDDLE  ALT=\"b%5E2-4ac=%28-4%29%5E2-4%281%29%28-7%29=16%2B28=44\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "so since the discriminant D>0 therefore there are 2 real solutions </SPAN>\n" );
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