document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=571901>Question 571901</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do i get the points to graph y=2x(squared)+11x+5? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #368220 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=368220\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> get the points to graph y=2x(squared)+11x+5?<BR>\n" );
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document.write( "If you know the graph is a parabola, you<BR>\n" );
document.write( "only need 3 points.<BR>\n" );
document.write( "y = 2x^2 + 11x + 5<BR>\n" );
document.write( "---<BR>\n" );
document.write( "y-intercept: (0,5)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Find the x-intercepts:<BR>\n" );
document.write( "2x^2 + 11x + 5 = 0<BR>\n" );
document.write( "2x^2 +10x + x + 5 = 0<BR>\n" );
document.write( "Factor:<BR>\n" );
document.write( "2x(x+5) + (x+5) = 0<BR>\n" );
document.write( "(x+5)(2x+1) = 0<BR>\n" );
document.write( "x = -5, or x = -1/2<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Points: (-5,0) and (-1/2,0)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Plot those three points and draw a parabola opening upward thru them.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "===================== </SPAN>\n" );
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