Use the Formula for the General Term (The Nth Term) $$\text { Find } a _ { 4 } \text { when } a _ { 1 } = 8 , r = - 5 \text {. }$$

Multiple Choice

Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.
- $$\text { Find } a _ { 4 } \text { when } a _ { 1 } = 8 , r = - 5 \text {. }$$

A) -1000
B) 5000
C) 1000
D) -125