document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1104342>Question 1104342</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 8. Let f(x)=x^2 - 4x + 5. <BR>\n" );
document.write( "a. Find the equation of the axis of symmetry of the graph of f. <BR>\n" );
document.write( "b. The function can also be expressed in the form f(x) = (x-  h)^2 + k. <BR>\n" );
document.write( "(i) Write down the value of h. <BR>\n" );
document.write( "(ii) Find the value of k. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #719096 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=719096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=x%5E2-4x%2B5 ALIGN=MIDDLE  ALT=\"f%28x%29=x%5E2-4x%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add and subtract  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%284%2F2%29%5E2 ALIGN=MIDDLE  ALT=\"%284%2F2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > to the right hand side and put into the form in which you can directly read the vertex AND the symmetry axis.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=x%5E2-4x%2B4-4%2B5 ALIGN=MIDDLE  ALT=\"y=x%5E2-4x%2B4-4%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=%28x-2%29%5E2%2B1%29 ALIGN=MIDDLE  ALT=\"highlight%28y=%28x-2%29%5E2%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Vertex is  (2,1) and axis of symmetry is x=2. </SPAN>\n" );
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