Write Terms of a Geometric Sequence
-$$a _ { n } = - 8 a _ { n - 1 } ; a _ { 1 } = - 4$$
A) $- 4,32 , - 256,2048 , - 16,384$
B) $32 , - 256,2048 , - 16,384,131,072$
C) $- 8 , - 32 , - 256 , - 2048 , - 16,384$
D) $- 4 , - 12 , - 20 , - 28 , - 36$

Question

Quizplus · Accepted Answer

The given sequence is a geometric sequence with the first term $a_1 = -4$ and a common ratio $r = -8$. Each term is found by multiplying the previous term by $-8$. The sequence is $-4, 32, -256, 2048, -16384$, matching option A.

Write Terms of a Geometric Sequence - an=−8an−1;a1=−4a _ { n } = - 8 a _ { n - 1 } ; a _ { 1 } = - 4an​=−8an−1​;a1​=−4

Write Terms of a Geometric Sequence
- $a _ { n } = - 8 a _ { n - 1 } ; a _ { 1 } = - 4$