document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=35468>Question 35468</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534400329/algebrahomeworkh>algebra for college students</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I need help with this too, Please:\r<BR>\n" );
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document.write( "Find the vertex, focus, and directrix of the given parabloa and sketch it's graph:\r<BR>\n" );
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document.write( "Find the equation of the parabloa that has it's vertex at (2,-3) and it's focus at (2,-5). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #21582 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=21582\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> distance from vertex to focus (p=1/4a units)<BR>\n" );
document.write( "2=1/(4a)<BR>\n" );
document.write( "8a=1<BR>\n" );
document.write( "a=(1/8)<BR>\n" );
document.write( "Directrix: y=-1<BR>\n" );
document.write( "Latus Rectum: 1/(A) = (8) units long<BR>\n" );
document.write( "use: y=a(x-h)^2+k where the vertex is (h,k)<BR>\n" );
document.write( "y=a(x-2)^2-3 also, use the point(-2,-5)<BR>\n" );
document.write( "-5=a(-2-2)^2-3<BR>\n" );
document.write( "-5=a(-4)^2-3<BR>\n" );
document.write( "-2=16a<BR>\n" );
document.write( "a=(-1/8)<BR>\n" );
document.write( "y=(-1/8)(x-2)^2-3 </SPAN>\n" );
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