document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=824770>Question 824770</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation: If f(x) = ax^2 +bx + c find f(-b/2a)?<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 #496823 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=496823\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> That input expression looks familiar.  Recognizable or not, just substitute for x in the function and evaluate or simplify as well as possible.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%28-b%2F%282a%29%29%5E2%2Bb%28-b%2F%282a%29%29%2Bc ALIGN=MIDDLE  ALT=\"a%28-b%2F%282a%29%29%5E2%2Bb%28-b%2F%282a%29%29%2Bc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28b%5E2%29%2F%284a%29-%28b%5E2%29%2F%282a%29%2Bc ALIGN=MIDDLE  ALT=\"%28b%5E2%29%2F%284a%29-%28b%5E2%29%2F%282a%29%2Bc\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28b%5E2%29%2F%284a%29-2%28b%5E2%29%2F%284a%29%2B4ac%2F%284a%29 ALIGN=MIDDLE  ALT=\"%28b%5E2%29%2F%284a%29-2%28b%5E2%29%2F%284a%29%2B4ac%2F%284a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28b%5E2-2b%5E2%2B4ac%29%2F%284a%29 ALIGN=MIDDLE  ALT=\"%28b%5E2-2b%5E2%2B4ac%29%2F%284a%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "What would you find if you complete the square on f(x) starting with your general form, and put into Standard Form?  Could that tell you something about -b/(2a)?<BR>\n" );
document.write( "Try it! </SPAN>\n" );
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