Write the First Four Terms of a Geometric Sequence, {An} $$a _ { 1 } = - 5 , r = - 4$$

Multiple Choice

Write the first four terms of a geometric sequence, {an}, based on the given information about the
sequence.
- $$a _ { 1 } = - 5 , r = - 4$$

A) $- 9 , - 13 , - 17 , - 21 , \ldots$
B) $- 5 , - 9 , - 13 , - 17 , \ldots$
C) $- 5,20 , - 80,320 , \ldots$
D) $20 , - 80,320 , - 1,280 , \ldots$