document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=359576>Question 359576</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me, very lost \r<BR>\n" );
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document.write( "Find the vertex, the line of symmetry, and the maximum or minimum value of f(x). Graph the function.\r<BR>\n" );
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document.write( "f(x) = 1/5(x+8)^2+2\r<BR>\n" );
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document.write( "1) The vertex is \"ordered pair\" ??\r<BR>\n" );
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document.write( "2) The line of symmetry is x = ??\r<BR>\n" );
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document.write( "3) What is the maximum/minimum value of f(x) ??\r<BR>\n" );
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document.write( "4) Is the value, f(-8) = 2 a minimum or maximum ??   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #256569 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=256569\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Don't be lost, study the \"vertex form\".<BR>\n" );
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document.write( "The equation is already in vertex form, <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;\" >  where (h,k) is the vertex.<BR>\n" );
document.write( "1) Comparing, (h,k)=(-8,2)<BR>\n" );
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document.write( "2) The vertex lies on the axis of symmetry, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=-8 ALIGN=MIDDLE  ALT=\"x=-8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "3) Since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=1%2F5 ALIGN=MIDDLE  ALT=\"a=1%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%3E0 ALIGN=MIDDLE  ALT=\"a%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then the parabola opens upwards and the value at the vertex (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k ALIGN=MIDDLE  ALT=\"k\"   DISABLED_style= \"max-width:90%; height:auto;\" >) is a minimum. <BR>\n" );
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document.write( "4) From 3), it's a minimum.<BR>\n" );
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