document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=87932>Question 87932</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use the quadratic function (((f(x)=-2/5(x+2)^2-3))) to answer the following:\r<BR>\n" );
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document.write( "A)Find the vertex\r<BR>\n" );
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document.write( "B)What is the axis of symmetry?\r<BR>\n" );
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document.write( "C)How does the graph open(up or down)?\r<BR>\n" );
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document.write( "Thanks you for any help you can provide. what i have so far is the formula which i believe is correct: (-b/2a,f(-b/2a)). I also have a=-2/5 b=(x+2)^2 but I'm not positive just because its a fraction, I'm unsure. well thanks for your help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #63811 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=63811\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+%28-2%2F5%29%28x+%2B+2%29%5E2+-+3 ALIGN=MIDDLE  ALT=\"f%28x%29+=+%28-2%2F5%29%28x+%2B+2%29%5E2+-+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This is in quadratic form: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+a%28x+-+h%29%5E2+%2B+k ALIGN=MIDDLE  ALT=\"f%28x%29+=+a%28x+-+h%29%5E2+%2B+k\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "* \"a\" determines if the parabola opens up or down<BR>\n" );
document.write( "~> positive \"a\" means up<BR>\n" );
document.write( "~> negative \"a\" means down<BR>\n" );
document.write( "* \"h\" and \"k\" determines the vertex<BR>\n" );
document.write( "Vertex (h,k)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+%28-2%2F5%29%28x+%2B+2%29%5E2+-+3 ALIGN=MIDDLE  ALT=\"f%28x%29+=+%28-2%2F5%29%28x+%2B+2%29%5E2+-+3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a = -2/5<BR>\n" );
document.write( "h = -2<BR>\n" );
document.write( "k = -3<BR>\n" );
document.write( "Vertex: (-2,-3)<BR>\n" );
document.write( "Opens downward<BR>\n" );
document.write( "The axis of symmetry is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+-2 ALIGN=MIDDLE  ALT=\"x+=+-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > since the parabola is vertical.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-6%2C1%2C-8%2C1%2C%28-2%2F5%29%28x+%2B+2%29%5E2+-+3%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-6%2C1%2C-8%2C1%2C%28-2%2F5%29%28x+%2B+2%29%5E2+-+3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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