document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=89086>Question 89086</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the axis of symmetry.<BR>\n" );
document.write( "	y = x^2 + 7x + 10<BR>\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 #64758 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=64758\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the axis of symmetry.<BR>\n" );
document.write( "	y = x^2 + 7x + 10<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Complete the square on the xFind the axis of symmetry.<BR>\n" );
document.write( "	y = x^2 + 7x + 10-terms.<BR>\n" );
document.write( "x^2+7x+(7/2)^2 = y-10+(7/2)^2<BR>\n" );
document.write( "Factor to get:<BR>\n" );
document.write( "(x+(7/2))^2 = y+(9/4)<BR>\n" );
document.write( "Vertex is at (-7/2,-9/4) so <BR>\n" );
document.write( "axis of symmetry is x=-7/2<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C300%2C-10%2C10%2C-5%2C30%2Cx%5E2%2B7x%2B10%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C300%2C-10%2C10%2C-5%2C30%2Cx%5E2%2B7x%2B10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );