Question

Check my answer please?

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

–2x3 + 3x2 – 5x – 2 = 0
a. There is one positive root and either two or zero negative roots.
b. There are either two or zero positive roots, and there are either two or zero negative roots.
c. There is one positive root and one negative root.
d. There are either two or zero positive roots and one negative root.

Answer 1

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