Determine Whether the Two Given Lines Are Perpendicular $$7 x + 9 y = 73$$

Multiple Choice

Determine whether the two given lines are perpendicular.
- $$7 x + 9 y = 73$$

A) $\frac { 7 } { 9 } ; \left( 0 , \frac { 73 } { 9 } \right)$

B) $- \frac { 2 } { 7 } ; \left( 0 , \frac { 9 } { 73 } \right)$

C) $- \frac { 7 } { 9 } ; \left( 0 , \frac { 73 } { 9 } \right)$

D) $\frac { 2 } { 7 } ; \left( 0 , \frac { 9 } { 73 } \right)$