document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=247712>Question 247712</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Using the discriminant, determine the number of x-intercepts the graph of the equation will have. Do not graph the equation. <BR>\n" );
document.write( "y = -5x^2 + 4x - 1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180629 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=180629\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y = -5x^2 + 4x - 1<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "a = -5<BR>\n" );
document.write( "b = +4<BR>\n" );
document.write( "c = -1<BR>\n" );
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document.write( "Discriminant = b^2 - 4ac = 16 - 20<BR>\n" );
document.write( "Disc <0 --> no real solutions, no crossing of the x-axis.<BR>\n" );
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document.write( "I might have graphed it, but you can't prove it. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );