Question

Find the sum of the geometric sequence –3, 15, –75, 375, … when there are 9 terms and select the correct answer below.

A. -976,563
B.976,563
C.1,464,843
D.976,562

Answer 1

Find the sum of the geometric sequence −3, 15, −75, 375, … when there are 9 terms and select the correct answer below.

-The answer is A. ( −976,563)

Step-by-step explanation:

Took the test and got it correct.

Answer 2

The correct answer to the question presented above would be letter A. -976, 563. I got this through solving with the first number of the set, then getting the ratio of the data set (which is -5) and the number of terms in the set. Thus, I arrived with the answer, -976, 563.