Find the Indicated Term of the Sequence $\frac { 14 } { 5 }$

Multiple Choice

Find the indicated term of the sequence.
-If the second term of a geometric progression is $\frac { 14 } { 5 }$ and the third term is $- \frac { 28 } { 5 }$ , find a 1 and $\mathrm { r }$ .

A) $a _ { 1 } = \frac { 56 } { 5 } ; r = - 2$
B) $a _ { 1 } = - \frac { 7 } { 5 } ; r = - \frac { 1 } { 2 }$
C) $a _ { 1 } = - \frac { 7 } { 5 } ; r = - 2$
D) $a _ { 1 } = - 7 ; r = - \frac { 2 } { 5 }$