document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=919166>Question 919166</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The graph of a quadratic function f(x) has a vertex at (&#8722;1,&#8722;4) and passes the point (0,&#8722;3). Find the quadratic function. (Note: It is a parabola)<BR>\n" );
document.write( "f(x)=   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #557517 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=557517\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the vertex form of a Parabola opening up(a>0) or down(a<0), <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=a%28x-h%29%5E2+%2Bk ALIGN=MIDDLE  ALT=\"y=a%28x-h%29%5E2+%2Bk\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "y = a(x+1)^2 - 4 <BR>\n" );
document.write( "P(0,-3)<BR>\n" );
document.write( "-3 = a(1)^2 - 4<BR>\n" );
document.write( "1 = a\r<BR>\n" );
document.write( "\n" );
document.write( "y = (x+1)^2 - 4<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C+++-6%2C+6%2C+-6%2C+6%2C+grid%281%29%2C+blue%28line%28-1%2C6%2C-1%2C-6%29%29+%2C%0D%0Acircle%280%2C+-3%2C0.2%29%2C%0D%0Acircle%28-1%2C+-4%2C0.2%29%2C%0D%0Agraph%28+300%2C+300%2C+-6%2C+6%2C+-6%2C+6%2C0%2C%28x%2B1%29%5E2+-+4%29+%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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