document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=821153>Question 821153</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. What is the y-coordinate of the equation f(x)=3(x-1)(x+4)\r<BR>\n" );
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document.write( "2. Express the function f(x)=-5x^2+20x+2 in vertex form.<BR>\n" );
document.write( "a)state the maximum or minimum value.<BR>\n" );
document.write( "b)determine the intervals where the function is increasing or decreasing<BR>\n" );
document.write( "c)determine the intervals where the function is positive or negative. \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #493937 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=493937\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A little bit of help:\r<BR>\n" );
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document.write( "(1)<BR>\n" );
document.write( "The y coordinate depends on what you choose for x.  Did you want to ask about something other than, \"y coordinate\"?  If you want the y-intercept, then this would be f(x) when x=0, which is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29=3%280-1%29%280%2B4%29=3%28-1%29%284%29=highlight%28-12%29 ALIGN=MIDDLE  ALT=\"f%280%29=3%280-1%29%280%2B4%29=3%28-1%29%284%29=highlight%28-12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "(2)<BR>\n" );
document.write( "Complete The Square and adjust the form into <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( "Start THIS way:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-5%28x%5E2-4x-2%2F5%29 ALIGN=MIDDLE  ALT=\"y=-5%28x%5E2-4x-2%2F5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >;<BR>\n" );
document.write( "ADD and SUBTRACT the term, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-4%2F2%29%5E2=4 ALIGN=MIDDLE  ALT=\"%28-4%2F2%29%5E2=4\"   DISABLED_style= \"max-width:90%; height:auto;\" >  INSIDE the parenthesized quadratic expression...<BR>\n" );
document.write( "Can you do the rest? </SPAN>\n" );
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