document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=887128>Question 887128</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I.	Given the following polynomial:  2x^2+7x-15=0 .  Check all that apply.\r<BR>\n" );
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document.write( "&#61600;	The value of the discriminant is 169.<BR>\n" );
document.write( "&#61600;	There are 2 real roots.<BR>\n" );
document.write( "&#61600;	There are 2 irrational roots.<BR>\n" );
document.write( "&#61600;	The graph intersects the y-axis twice.<BR>\n" );
document.write( "&#61600;	The parabola is directed upward.<BR>\n" );
document.write( "&#61600;	The axis of symmetry is located at  x=-7/4<BR>\n" );
document.write( "&#61600;	The vertex is located at:   (-7/4, -49/8)<BR>\n" );
document.write( "&#61600;	The roots are:  (5,3/2)<BR>\n" );
document.write( "&#61600;	The graph intersects the y axis at (0, -15).<BR>\n" );
document.write( "&#61600;	The graph intersects the x-axis at (-5, 0) and (1.5, 0)\r<BR>\n" );
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document.write( "HELP PLEASE </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #536377 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=536377\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Many of the questions depend on the discriminant.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ax%5E2%2Bbx%2Bc=0 ALIGN=MIDDLE  ALT=\"ax%5E2%2Bbx%2Bc=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Discriminant is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2-4%2Aa%2Ac ALIGN=MIDDLE  ALT=\"b%5E2-4%2Aa%2Ac\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "What do you understand about the discriminant for a quadratic expression?\r<BR>\n" );
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document.write( "Something about the discriminant indicates that your quadratic expression is factorable. </SPAN>\n" );
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