Question

What are the possible rational zeros of f(x)=3x^3-4x^2-7x+15

Answer 1

have fun

Answer 2

x=-1.71823 approximately

Answer 3

I think its 1/3, 1 , 3, 5/3, 5 and 15 with the +/- signs of each number... I am right?

Answer 4

It also has 2 imaginary zeros.

Answer 5

it says "possible" ones not actual ones. you have the right choices

Answer 6

I believe lolph is right about all possible ones though.

Answer 7

you got it. numerator divides 15, denominator divides 3 so make all possible fractions with the plus/minus thing

Answer 8

\[\pm\]

Answer 9

Thanks..needed that validation!!