document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1181264>Question 1181264</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The line of symmetry for the quadratic equation y = ax2 + 8x - 3 is x = 4. What is the value of \"a\"?\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #811125 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=811125\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If complete-the-square for equation, <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=a%28x%2B4%29%5E2-%2816%2B3a%29%2Fa ALIGN=MIDDLE  ALT=\"y=a%28x%2B4%29%5E2-%2816%2B3a%29%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and vertex point would be  ( -4/a, -(16+3a)/a ).\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Symmetry axis x=4 means the x value for vertex is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4%2Fa ALIGN=MIDDLE  ALT=\"-4%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=-1 ALIGN=MIDDLE  ALT=\"a=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );