document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=42638>Question 42638</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Identity the axis of symmetry and create a suitable table of values.\r<BR>\n" );
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document.write( "Please help - I am having a hard time understanding these!\r<BR>\n" );
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document.write( "y = -x^2 + 3x - 3\r<BR>\n" );
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document.write( "Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #27752 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=27752\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The axis of symmetry is the line that when you fold the parabola over it, you get a perfect side matching the other side. Since the equation shows a vertical parabola, the x-value of the vertex determines the axis of symmetry.<BR>\n" );
document.write( "Vertex = ((-b/2a),f(x)) = ((3/2),f(x))<BR>\n" );
document.write( "Axis Of Symmetry: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+1.5 ALIGN=MIDDLE  ALT=\"x+=+1.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+300%2C+-5%2C+5%2C+-5%2C+5%2C+-x%5E2+%2B+3x+-+3%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+300%2C+-5%2C+5%2C+-5%2C+5%2C+-x%5E2+%2B+3x+-+3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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