document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=242434>Question 242434</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i need to find the vertex, symmentry axis does graph go up or down and graph<BR>\n" );
document.write( "y=2x^2 +8x + 16 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #177450 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=177450\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> i need to find the vertex, symmentry axis does graph go up or down and graph<BR>\n" );
document.write( "y=2x^2 +8x + 16<BR>\n" );
document.write( "a = 2 ; b = 8 ; c = 16<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Up or Down?<BR>\n" );
document.write( "Since a > ) the parabola opens up.<BR>\n" );
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document.write( "Vertex?<BR>\n" );
document.write( "Occurs when x = -b/2a = -8/(2*2) = -2<BR>\n" );
document.write( "f(-2) = 2(4)- 16 +16 = 8<BR>\n" );
document.write( "Vertex:(-2,8)<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Axis of symmetry?<BR>\n" );
document.write( "x = -b/2a = -2<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "Graph?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-10%2C10%2C-10%2C40%2C2x%5E2%2B8x%2B16%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-10%2C10%2C-10%2C40%2C2x%5E2%2B8x%2B16%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );