Find the Reciprocal, If It Exists $\frac { 5 b } { - 8 a }$

Multiple Choice

Find the reciprocal, if it exists.
- $\frac { 5 b } { - 8 a }$

A) $- \frac { 8 a } { 5 b }$
B) $- \frac { 5 b } { 8 a }$
C) $- \frac { 8 b } { 5 a }$
D) $- \frac { 5 a } { 8 b }$