document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1068569>Question 1068569</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the value of the discriminant and determine the number of real-number solutions for this quadratic equation. y^2+3y-4=0 <BR>\n" );
document.write( " [0,one] [25,two] [30,one]<BR>\n" );
document.write( "Can someone tell me how i find out which answer to pick and why </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #683798 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=683798\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the value of the discriminant and determine the number of real-number solutions for this quadratic equation. y^2+3y-4=0 <BR>\n" );
document.write( " [0,one] [25,two] [30,one]<BR>\n" );
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document.write( "y^2+3y-4=0<BR>\n" );
document.write( "It's in the form ax^2 + bx + c = 0<BR>\n" );
document.write( "a = 1, b = 3, c = -4<BR>\n" );
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document.write( "The Disc is b^2 - 4ac<BR>\n" );
document.write( "Disc = 3^2 - 4*1*(-4) = 9 +16 = 25<BR>\n" );
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document.write( "Disc < 0 --> no real roots<BR>\n" );
document.write( "Disc = 0 --> 2 real roots that are equal<BR>\n" );
document.write( "Disc > 0 --> 2 real roots that are different<BR>\n" );
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