Question

Help!!
4mins!
f(x)=x^3+3x^2-10x-8

Rational root Theorm.

Answer 1

what do you want to do with the rational root thm?
do you want to say what the possible rational roots are?

Answer 2

umm, Yes.

Answer 3

give all the factors of -8

Answer 4

\[\pm 1, \pm 2, \pm 4, \pm 8\]

Answer 5

That's it? :D
is there any particular method?

Answer 6

take the first and last numbers:\[\pm\frac{factor.last}{factor.1^{st}}\]

Answer 7

\[\pm\frac{1,8,2,4}{1}\]

Answer 8

simplify and weed out the doubles

Answer 9

yep yep

Answer 10

is my 4mins up?

Answer 11

Thanks. sent. :D