Question

Which of the following is a polynomial with roots 5, 4i, and −4i?

Answer 1

A. f(x) = x3 − 5x2 + 20x − 16
B. f(x) = x3 − 5x2 + 16x − 80
C. f(x) = x3 − 20x2 + 5x − 16
D. f(x) = x3 − 16x2 + 80x − 5

Answer 2

@mathowl609

Answer 3

@Lemons

Answer 4

@nincompoop

Answer 5

I apologize for the tag spam. I know that is annoying, but I really need some help.

Answer 6

@TheSmartOne

Answer 7

how does everyone always tag me?

Answer 8

Your name is mathowl idk ;^; sowwy.

Answer 9

its chill

Answer 10

@imqwerty

Answer 11

@iYuko

Answer 12

Nvm I got it. It's B.

Answer 13

Seems like I got here too late :P

Answer 14

Just a bit. That's okay, though. Carry on!

Answer 15

yeaB

Answer 16

Do you want to understand how to do it? :)

Answer 17

Eh not really ;-; I'm just trying to get ahead in school work before my boyfriend gets back from boot camp... Does anyone wanna help me on Google Docs with a Marine Science assignment? :D

Answer 18

Learning it will help you more :)

You need to build the foundation before you start building on top of it.

But your choice :)

Answer 19

Yeah I know. Algebra isn't my strong point anymore, but at this point I just need to get it done.

Answer 20

jst see the product of roots

Answer 21

^