document.write( "Question 57444This question is from textbook Applied College Algebra
\n" ); document.write( ": Use Descartes' Rule of Signs to state the number of possible positive and negative real zeros of P(X) = 5X^4 + 21X^3 + 18X^2 - 6X - 4 \n" ); document.write( "

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Use Descartes' Rule of Signs to state the number of possible positive and negative real zeros of
\n" ); document.write( "------------
\n" ); document.write( "P(X) = 5X^4 + 21X^3 + 18X^2 - 6X - 4
\n" ); document.write( "# of changes of sign is one
\n" ); document.write( "number of positive roots is one
\n" ); document.write( "----------
\n" ); document.write( "P(-x)=5x^4-21x^3+18x^2+6x-4
\n" ); document.write( "# of changes of sign is three
\n" ); document.write( "number of negative roots is 3
\n" ); document.write( "-------------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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