document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=288907>Question 288907</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Given that f(x) is a cubic function with zeros at -6,-2 , and 6, find an equation for f(x) given that f(0)=-5<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 #209330 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=209330\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given that f(x) is a cubic function with zeros at -6,-2 , and 6, find an equation for f(x) given that f(0)= -5<BR>\n" );
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document.write( "f(x) = k(x+6)(x+2)(x-6)<BR>\n" );
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document.write( "Using f(0) = -5, find \"k\":<BR>\n" );
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document.write( "f(0) = k(6)(2)(-6) = -5<BR>\n" );
document.write( "-72k = -5<BR>\n" );
document.write( "k = 5/72<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "y = (5/72)(x+6)(x+2)(x-6)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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