document.write( "Question 86713: I have a question that states: use descartes' rule of signs to determine the possible number of positive and negative zeros of the function f(x)=x^6+4x^5-4x^4+5x^3-5x^2+x-5 \n" ); document.write( "

Algebra.Com's Answer #62725 by stanbon(75887) $\"\"$ $\"About$

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use descartes' rule of signs to determine the possible number of positive and negative zeros of the function f(x)=x^6+4x^5-4x^4+5x^3-5x^2+x-5
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\n" ); document.write( "# of positive roots = 5,3, or 1
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\n" ); document.write( "f(-x)=x^6-4^5-4x^4-5x^3-5x^2-x-5
\n" ); document.write( "# of negative roots = 1
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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