Use the Formula for the General Term of a Geometric $$\mathbf { a } _ { 1 }$$

Multiple Choice

Use the Formula for the General Term of a Geometric SequenceUse 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, $$\mathbf { a } _ { 1 }$$ , and common ratio, r.
-Find a9 when $a _ { 1 } = - 2 , r = 2$ .

A) $- 512$
B) $- 1024$
C) $- 508$
D) 14