Find the remainder when f(x)= 8x^3+ 4x^2 13x + 3 is divided by 2x + 5.

Zeno asked Sep 10, 2022

454,974 views

32 votes

Find the remainder when f(x)= 8x^3+ 4x^2
13x + 3 is divided by 2x + 5.

Zeno asked Sep 10, 2022

by Zeno

2.7k 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.

21 votes

Answer:

-129

Explanation:

2x+5=0

x=-5/2 [By the remainder theorem]

f(-5/2)=8(-5/2)^3+4(-5/2)^2+13(-5/2)+3

=-125+25-65/2+3

=-129.

MSkuta answered Sep 13, 2022

2.5k 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