document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=110446>Question 110446</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to graph a quadratic equation....everything was going fine until I tried to get the points for the left side of the graph....they're all over the place...some go below the vertex and it definatly doesnt look like a parabola. Can someone please explain to me how to get the -points? I tried plugging x into the equation but its not working at all...neither are the x and y intercepts, which I have as y=-4 and x=4 and -1, I'm getting so frustrated. The equation is X²+3x-4<BR>\n" );
document.write( "     I appreciate anyones help!<BR>\n" );
document.write( "                   Bonnie C. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #80484 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=80484\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=x^2+3x-4<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y=+x%5E2+%2B3x+-4%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+y=+x%5E2+%2B3x+-4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = x^2 +3x -4).<BR>\n" );
document.write( "some of the points are (0,-4) obtained by setting x=0 & solving for y<BR>\n" );
document.write( "setting y=0 & solving for x we get<BR>\n" );
document.write( "x^2+3x-4=0<BR>\n" );
document.write( "(x+4)(x-1)=0<BR>\n" );
document.write( "x+4<BR>\n" );
document.write( "x=-4 answer. (-4,0)<BR>\n" );
document.write( "x-1=0<BR>\n" );
document.write( "x=1 answer. (1,0)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );