Question

Use the following equation: f(x) = x3 – 2x2 – 2x + 1

Is (–1) a zero of the function?


Select one:


a. No, it is not a zero

b. Yes, it is a zero

c. Possible Imaginary Root

d. None of the above

Answer 1

@campbell_st @waterineyes

Answer 2

Where you are facing problem??

Answer 3

the whole question

Answer 4

For checking if it is a Zero of this function, replace x by -1, and then simplify, if you will get your final result as 0, then it is its zero otherwise not..

Answer 5

\[f(x) = x^3 – 2x^2 – 2x + 1\]

Answer 6

Just put x = -1 and then solve it..

Answer 7

I think its B am I correct

Answer 8

yes its B

Answer 9

yep..

Answer 10

Good... :)

Answer 11

meddaalll please;)

Answer 12

Medal for what??

Answer 13

The whole thing I have told you, what have YOU done?? :P

Answer 14

get the correct answer

Answer 15

When you got the answer, were you sure that answer is correct??

Answer 16

No, you were not, in that also, you asked me.. :P

Answer 17

whatever if it really means that much to you

Answer 18

Okay, just kidding.. Keep it up, have confidence in things you do.. :)

Answer 19

thanks