Question 3 of 10 Which of the following represents the set of possible rational roots for the polynomial shown below? 2x^3+ 5x^2 – 8x

Inga asked Dec 5, 2023

198,588 views

10 votes

Question 3 of 10

Which of the following represents the set of possible rational roots for the
polynomial shown below?
2x^3+ 5x^2 – 8x – 20 = 0

Inga asked Dec 5, 2023

by Inga

2.5k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

17 votes

Answer:

2x^3-8x+5x^2-20

2x(x^2-4)+5(x^2-4)

(2x+5)(x^2-4)

(2x+5)(x+2)(x-2)

3.1k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers