Question

I DONT UNDERSTAND THIS Please someone HELP ME! i REALLY NEED HELP! PLEAASSSSEEEEEEE

Use the factor theorem to determine which of the following is not a factor of f(x)=3x^4-17x^3+9x^2+41x+12.

a. x-4
b. 3x+1
c. x+1
d. 3x-1

Answer 1

use synthetic division.

Answer 2

Okay

Answer 3

just plug in the root of each factor. for example the first root is x-4 plug in 4 and if it equals zero it is a factor!

Answer 4

So is the answer D?

Answer 5

Thanks for the help but please tell me is d correct?!?!?!

Answer 6

that looks very hard

Answer 7

No not D

Answer 8

two of them work

Answer 9

Okay, thank you.

Answer 10

Which ones? Is one of them C?

Answer 11

\[3(4)^4-17(4)^3+3(4)^2+4(4)+12=0 \]
so which answer would this represent?

Answer 12

That would represent answer A

Answer 13

yes so that is one of the answers!

Answer 14

Thank you so much for the help! It is very much appreciated! =)

Answer 15

there is on more

Answer 16

Okay!

Answer 17

1/3 is a root also

Answer 18

Alright

Answer 19

so can you find the next answer?

Answer 20

Does that mean B is also an answer?

Answer 21

yes sir good job!

Answer 22

Okay thank you!

Answer 23

np