document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=173359>Question 173359</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the axis of symmetry. <BR>\n" );
document.write( "y = x² - x + 5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #128211 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=128211\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the axis of symmetry. <BR>\n" );
document.write( "y = x² - x + 5<BR>\n" );
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document.write( "There are at least two ways:<BR>\n" );
document.write( "1st: x = -b/2a = 1/2<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "2nd: Complete the square:<BR>\n" );
document.write( "x^2-x + ? = y-5 + ?<BR>\n" );
document.write( "x^2 -x + (1/2)^2 = y - 5 + (1/2)^2<BR>\n" );
document.write( "(x-(1/2))^2 = y -20/4 + 1/4<BR>\n" );
document.write( "(x-(1/2)^2 = y-(19/4)<BR>\n" );
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document.write( "Axis of symmetry: x = 1/2<BR>\n" );
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document.write( "Obviously the 1st way is the quickest way to find the axis of symmetry.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );