document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=4271>Question 4271</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the equation of the axis of symmetry for the following parabola y = x^2 - 6x + 7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #1900 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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/cgi-bin/show-face.mpl?user=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=1900\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For a graph of a parabola that opens up or down in the form \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+ax%5E2+%2B+bx+%2B+c ALIGN=MIDDLE  ALT=\"y+=+ax%5E2+%2B+bx+%2B+c\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "the vertex and therefore the axis of symmetry is always at\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28-b%29%2F2a ALIGN=MIDDLE  ALT=\"x+=+%28-b%29%2F2a\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  This formula comes from the quadratic formula!! <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-b%2B-sqrt+%28b%5E2-4ac%29%29%2F%282a%29 ALIGN=MIDDLE  ALT=\"x=%28-b%2B-sqrt+%28b%5E2-4ac%29%29%2F%282a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Therefore, the axis of symmetry for <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+x%5E2+-+6x+%2B+7 ALIGN=MIDDLE  ALT=\"y+=+x%5E2+-+6x+%2B+7\"   DISABLED_style= \"max-width:90%; height:auto;\" >  where a=1, b=-6, and c=7<BR>\n" );
document.write( "is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%28-%28-6%29%29%2F%282%281%29%29 ALIGN=MIDDLE  ALT=\"x=%28-%28-6%29%29%2F%282%281%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > or x=3\r<BR>\n" );
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document.write( "R^2 at SCC </SPAN>\n" );
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