Provide an Appropriate Response $a _ { 1 } = 1$

Multiple Choice

Provide an appropriate response.
-Given a geometric sequence such that $a _ { 1 } = 1$ and $a _ { 3 } = \frac { 1 } { 4 }$ , find $a _ { 6 }$ .

A) $\frac { 1 } { 180 }$
B) $\frac { 1 } { 240 }$
C) $\frac { 1 } { 64 }$
D) $\frac { 1 } { 32 }$