The Terminal Side Of $\theta$ Lies on the The Line $15 x + 8 y = 0$

The terminal side of $\theta$ lies on the the line $15 x + 8 y = 0$ in the second quadrant. Find the exact value of $\tan \theta$ .

A) $\tan \theta = - \frac { 8 } { 15 }$

B) $\tan \theta = - \frac { 7 } { 8 }$

C) $\tan \theta = \frac { 15 } { 7 }$

D) $\tan \theta = - \frac { 15 } { 8 }$

E) $\tan \theta = - \frac { 61 } { 31 }$