document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=62168>Question 62168</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/321233867/algebrahomeworkh>Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Find the vertex, axis of symmetry, maximum value or minimum value, x and y intercepts.\r<BR>\n" );
document.write( "\n" );
document.write( "f(x)=-3/11(x-7)2-9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #42923 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=42923\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the vertex, axis of symmetry, maximum value or minimum value, x and y intercepts. <BR>\n" );
document.write( "f(x)=-3/11(x-7)2-9<BR>\n" );
document.write( "Rewrite as:<BR>\n" );
document.write( "y+9=-(3/11)(x-7)^2<BR>\n" );
document.write( "Vertex is (7,-9)<BR>\n" );
document.write( "Axis of symmetry is x=7<BR>\n" );
document.write( "Maximum is at the vertex<BR>\n" );
document.write( "Let x=0 then y=(-3/11)(-7)-9=-7.0909...<BR>\n" );
document.write( "That is the y-intercept.<BR>\n" );
document.write( "Let y=0 then (x-7)=sqrt(negative number) so <BR>\n" );
document.write( "there is no x-intercept.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );