document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=545645>Question 545645</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let f(x)= -2x^2 +4x +5<BR>\n" );
document.write( "(a) find the vertex<BR>\n" );
document.write( "(b) find the leading co-efficient<BR>\n" );
document.write( "(c) what is the shape of the graph?<BR>\n" );
document.write( "(d) what is the axis of symmetry?\r<BR>\n" );
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document.write( "Thank you in advance for your assistance! I appreciate it and I look forward to seeing your answer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #355758 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=355758\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)= -2x^2 + 4x + 5<BR>\n" );
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document.write( "y = -2x^2 + 4x + 5<BR>\n" );
document.write( "(a) find the vertex<BR>\n" );
document.write( "Use the axis of symmetry to find the vertex, the formula for that x = -b/(2a)<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-4%29%2F%282%2A-2%29 ALIGN=MIDDLE  ALT=\"%28-4%29%2F%282%2A-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 1<BR>\n" );
document.write( "Find y when x=1<BR>\n" );
document.write( "y = -2(1^2) + 4(1) + 5<BR>\n" );
document.write( "y = 7<BR>\n" );
document.write( "the vertex: 1,7<BR>\n" );
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document.write( "(b) find the leading co-efficient<BR>\n" );
document.write( "That's the coefficient of x^2 which is -2<BR>\n" );
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document.write( "(c) what is the shape of the graph?<BR>\n" );
document.write( "A parabola, opening downward, the vertex is the maximum<BR>\n" );
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document.write( "(d) what is the axis of symmetry? See a </SPAN>\n" );
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