document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=867758>Question 867758</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write the equation of the parabola with the shape as f(x)=-2x^2, but with the vertex (-3,2)\r<BR>\n" );
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document.write( "Find the vertex of the graph f(x)=3x^2-12x+5 and determine whether the graph opens upward or downward </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #523237 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=523237\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write the equation of the parabola with the shape as f(x)=-2x^2, but with the vertex (-3,2) <BR>\n" );
document.write( "Find the vertex of the graph f(x)=3x^2-12x+5 and determine whether the graph opens upward or downward<BR>\n" );
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document.write( "f(x)=-2x^2<BR>\n" );
document.write( "Parabola with same shape with vertex at (-3,2):<BR>\n" );
document.write( "f(x)=-2(x+3)^2+2<BR>\n" );
document.write( "...<BR>\n" );
document.write( "f(x)=3x^2-12x+5<BR>\n" );
document.write( "complete the square:<BR>\n" );
document.write( "f(x)=3(x^2-4x+4)+5<BR>\n" );
document.write( "f(x)=3(x-2)^2+5<BR>\n" );
document.write( "coefficient, 3>0<BR>\n" );
document.write( "so, parabola opens upward </SPAN>\n" );
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