Which binomial is a factor of f(x) = x4 - 3x3 - 28x2 + 36x + 144?

(x - 6)

(x - 4)

(x - 2)

(x + 3)

Question

Which binomial is a factor of f(x) = x4 - 3x3 - 28x2 + 36x + 144?

       (x -  6)

       (x - 4)

       (x - 2)

       (x + 3)

misty1212 · Answer

oh wow what did you to to annoy your math teacher?

anonymous · Answer

lol haha I am behind and trust me algebra is not my strongest point lol

misty1212 · Answer

i have an idea
lets cheat

misty1212 · Answer

misty1212 · Answer

pick $x-6$ i do not know how you could do this on your own

misty1212 · Answer

i mean i do, but it would take like forever

anonymous · Answer

omg thats awesome your a lifesaver right now i know so time consuming

misty1212 · Answer

glad i can help you ;)

anonymous · Answer

According to the rational root theorem, which is not a possible rational root  5x3+3x2-2x+15=0
A. -3
B. 1/5
C.1/3
D.5

misty1212 · Answer

the denominator needs to be a factor of the leading coefficient ($5$)
3 is not a factor of 5

anonymous · Answer

so Its 5 right?

anonymous · Answer

or 1/5

misty1212 · Answer

no it says which is NOT
the one that is NOT is $\frac{1}{3}$

anonymous · Answer

oh your right thanks so much

misty1212 · Answer

:)

anonymous · Answer

Which is the factored form of x3-10x2+27x-18=0

A. (x+1)(x-3)(x-6)=0
B. (x+1)(x-2)(x-6)=0
C. (x-1)(x-3)(x-6)=0
D. (x+1)(x-2)(x+9)=0

misty1212 · Answer

who knows

misty1212 · Answer

misty1212 · Answer

attachment

anonymous · Answer

Im not seeing it lol

anonymous · Answer

i seen it lol ohh myy

anonymous · Answer

How many complex roots does  5x6+x4-3=0 
3
4
5
6