document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206748>Question 206748</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find h, the x coordinate of the vertex of this parabola. Consider the function:<BR>\n" );
document.write( "f(x)=xsquared +4x+1. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #156261 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=156261\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find h, the x coordinate of the vertex of this parabola. Consider the function:<BR>\n" );
document.write( "f(x)=x^2 +4x+1.\r<BR>\n" );
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document.write( "Complete the square:<BR>\n" );
document.write( "x^2 + 4x + ? = y-1 + ?<BR>\n" );
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document.write( "x^2 + 4x + 4 = y - 1 + 4<BR>\n" );
document.write( "---<BR>\n" );
document.write( "(x+2)^2 = y + 3<BR>\n" );
document.write( "---<BR>\n" );
document.write( "h = 2<BR>\n" );
document.write( "=======================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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