document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=248958>Question 248958</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Without graphing, find the line of symmetry.\r<BR>\n" );
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document.write( "f(x) = (x + 8)2 - 3  </SPAN>\n" );
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document.write( "f(x) = (x + 8)2 - 3 \r<BR>\n" );
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document.write( "The function above is in the standard vertex form for a parabola:\r<BR>\n" );
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document.write( "y = (x-h)^2 + k \r<BR>\n" );
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document.write( "where the vertex of the parabola is at the point (h,k) and the axis of symmetry is the line x = h. \r<BR>\n" );
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document.write( "So in this case the vertex is (-8,-3) so the axis of symmetry is x = -8 </SPAN>\n" );
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