document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=389177>Question 389177</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I determine the values of a if f(x)=3a square x cube - ax +4 and f(2)=6? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #275706 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=275706\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  How do I determine the values of a if f(x)=3a square x cube - ax +4 and f(2)=6?<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "f(x) = 3a^2x^3 - ax + 4<BR>\n" );
document.write( "Solve for \"a\" if y = 6 when x = 2<BR>\n" );
document.write( "---<BR>\n" );
document.write( "6 = 3a^2*2^3 - a*2 + 4<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "24a^2 - 2a + 4 = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "a = [2 +- sqrt(4-4*24*4)]/(24)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "a = [2 +- sqrt(-380)](24)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "a = [2 +-i19.49]/(24)<BR>\n" );
document.write( "etc.<BR>\n" );
document.write( "======================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );