6 Determine the Most Efficient Method to Use When Solving $$8 x ^ { 2 } - 55 x - 7 = 0$$

Multiple Choice

6 Determine the Most Efficient Method to Use When Solving a Quadratic Equation
- $$8 x ^ { 2 } - 55 x - 7 = 0$$

A) $\left\{ - \frac { 1 } { 8 } , 7 \right\}$
B) $\left\{ - \frac { 1 } { 8 } , 8 \right\}$
C) $\left\{ - \frac { 1 } { 8 } , \frac { 1 } { 55 } \right\}$
D) $\{ - 8,7 \}$