document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1038159>Question 1038159</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The polynomial f(x) has degree 3. If f(-1) = 15, f(0)= 0, f(1) = -5, and f(2) = 12, then what are the x-intercepts of the graph of f?<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 #652884 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=652884\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The polynomial f(x) has degree 3. If f(-1) = 15, f(0)= 0, f(1) = -5, and f(2) = 12, then what are the x-intercepts of the graph of f?<BR>\n" );
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document.write( "Using the form ax^3+bx^2+cx+d = y, <BR>\n" );
document.write( "substitute each of the x/y pairs<BR>\n" );
document.write( "to create 4 equations in a,b,c,d.<BR>\n" );
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document.write( "Example::<BR>\n" );
document.write( "Using f(-1)=15 you get -a+b-c+d = 15<BR>\n" );
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document.write( "Solve the 4-equation system for a,b,c,d<BR>\n" );
document.write( "to find the cubic you want.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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