document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1133223>Question 1133223</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi\r<BR>\n" );
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document.write( "what is the vertex and the axis of symmetry of the following parabola. \r<BR>\n" );
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document.write( "f(×)= 2x^2+6x+7\r<BR>\n" );
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document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #750417 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=750417\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi\r<BR>\n" );
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document.write( "what is the vertex and the axis of symmetry of the following parabola. \r<BR>\n" );
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document.write( "f(×)= 2x^2+6x+7\r<BR>\n" );
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document.write( "Thanks<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">x-coordinate of vertex, or axis of symmetry = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28matrix%281%2C9%2C+-+b%2F%282a%29%2C+%22=%22%2C+-+6%2F%282+%2A+2%29%2C+%22=%22%2C+-+6%2F4%2C+%22=%22%2C+-+3%2F2%2C+%22or%22%2C+-+1.5%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substituting y for f(x), and - 1.5 for x, we get: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28system%28matrix%281%2C3%2C+f%28x%29%2C+%22=%22%2C+2x%5E2+%2B+6x+%2B+7%29%2C+matrix%281%2C9%2C+y%2C+%0D%0A%22=%22%2C+2%28-+1.5%29%5E2+%2B+6%28-+1.5%29+%2B+7%2C+%22=====%3E%22%2C+y%2C+%22=%22%2C+4.5+-+9+%2B+7%2C+%22=%22%2C+2.5%29%2C+matrix%281%2C3%2C+%22Vertex%3A%22%2C+%22%28-+1.5%2C%22%2C+%222.5%29%22%29%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You don't have to complete the square in order to get the answer, unless instructed to, of course! <BR>\n" );
document.write( "IGNORE all other NONSENSICAL answers, such as y-coordinate of vertex is 4.8. </SPAN>\n" );
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