Question

if a=-2 and b= -2, what is the value of (a^3-1) /(b-1)

Answer 1

\[\frac{ a^3-1 }{ b-1 }\]
Is this your equation?

Answer 2

yes

Answer 3

well plug in 2 and solve ^_^

Answer 4

Unfortunately we cannot give out answers, so where do you run into a problem stephanie?

Answer 5

\[\frac{ (-2)^3-1 }{ -2-1 }\]

Answer 6

since it's a a negative and cubed.. it'll be a negative

Answer 7

\[\frac{ -8-1 }{ -3 }\]

Answer 8

Like Nurali has shown :l

Answer 9

\[\frac{ 9 }{ 3 }\]

Answer 10

which simplifies to 3.. unless I've completely lost my math skills

Answer 11

3

Answer 12

were we plug in for (-2) ^3, why is it not -6

Answer 13

cause it's -2*-2*-2

Answer 14

a^2=a*a
a^3=a*a*a
a^4=a*a*a*a
etc..

Answer 15

and a^0=1

Answer 16

oh, I see. I was doing something wrong, thanks ^^

Answer 17

Np

Answer 18

:P