Question

Please help! Find the 15th term of the sequence:
-3, 6, -12, 24...

Answer 1

the common ration as it is called is -2

Answer 2

r=-2

Answer 3

-3
-3*(-2) = 6
6*(-2) = -12
-12*(-2) = 24,
etc

Answer 4

Now find the 15th term..

Answer 5

Got it, thanks guys :)

Answer 6

-49152

Answer 7

\[a _{n}=a _{1}(n-1)^{r}\]