Find the 10th term in the sequence.
, -1, 2, -4, …
a. -256
b. 125
c. 512

Question

Find the 10th term in the sequence.
, -1, 2, -4, …
a. -256
b. 125
c. 512

anonymous · Answer

the first term was 1/2 it wouldn't post it

anonymous · Answer

@StudyGurl14

solomonzelman · Answer

the common ratio is?
the first term is?

use:
$\large\color{slate}{\displaystyle a_n=a_1\times r^{n-1}}$

solomonzelman · Answer

(or, you can start from -4 )
going like this

$\large\color{slate}{\displaystyle a_{10} = a_3\times r^{10-3}}$

solomonzelman · Answer

don't understand my notations ? (if so, please let me know, I will explain them)

anonymous · Answer

i understand them

solomonzelman · Answer

My apologies, my notification didn't work.... I didn't know you gave me a medal. I thought you were just sitting there waiting for something to happen.
....

you welcome!