Posted by **jayson** on Monday, November 12, 2012 at 8:53pm.

What does Descartes Rule of Signs tell you about the real roots of the polynomial

-2x^3+3x^3-5x-2=0

possible answers

one positive root either 2 or 0 neg

2 or 0 pos and 2 or 0 neg

one pos and one neg

either 2 or 0 pos and one neg

- algebra -
**jayson**, Tuesday, November 13, 2012 at 10:05am
Please explain

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