document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=43504>Question 43504</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534494498/algebrahomeworkh>Algebra and trigonometry with analytic geometry</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Determine the vertex of y=x^2 -8x+22.  My answer is (-4,18) but not sure.  thanks for looking it over. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #28501 by </B><A HREF=/tutors/aboutme.mpl?userid=atif.muhammad><B>atif.muhammad(135)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=atif.muhammad><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=28501\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x^2 -8x+22\r<BR>\n" );
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document.write( "Find the vertex.\r<BR>\n" );
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document.write( "In such questions, we have to complete the square.\r<BR>\n" );
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document.write( "x^2 -8x+22\r<BR>\n" );
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document.write( "Complete the square: (x-4)^2 - 16 + 22\r<BR>\n" );
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document.write( "If you are not sure about completing the square, then I suggest you revise this topic. I cannot think of any other way of doing this question apart from completing the square.<BR>\n" );
document.write( "(x-4)^2 +6\r<BR>\n" );
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document.write( "Therefore, the vertex is (4,6) </SPAN>\n" );
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