Write Terms of a Geometric Sequence
-$$a _ { n } = - 7 a _ { n - 1 } ; a _ { 1 } = - 5$$
A) $- 5,35 , - 245,1715 , - 12,005$
B) $35 , - 245,1715 , - 12,005,84,035$
C) $- 7 , - 35 , - 245 , - 1715 , - 12,005$
D) $- 5 , - 12 , - 19 , - 26 , - 33$

Question

Quizplus · Accepted Answer

The given sequence is a geometric sequence with the first term $a_1 = -5$ and common ratio $r = -7$. Each term is found by multiplying the previous term by $-7$. The sequence is $-5, 35, -245, 1715, -12005$, matching option A.

Write Terms of a Geometric Sequence - an=−7an−1;a1=−5a _ { n } = - 7 a _ { n - 1 } ; a _ { 1 } = - 5an​=−7an−1​;a1​=−5

Write Terms of a Geometric Sequence
- $a _ { n } = - 7 a _ { n - 1 } ; a _ { 1 } = - 5$