drewdrew427 drewdrew427

04-03-2021
Mathematics

contestada

What do you need to know?

What do you need to know class=

Respuesta :

sqdancefan sqdancefan

06-03-2021

9514 1404 393

Answer:

A. One

Step-by-step explanation:

Descarte's rule of signs is used to answer this question. The signs of the coefficients are ...

+ + + -

There is one sign change, hence one positive real root.

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