6 Determine the Most Efficient Method to Use When Solving $y _ { 1 } = \frac { 1 } { x + 11 } , y _ { 2 } = \frac { 1 } { x }$

Multiple Choice

6 Determine the Most Efficient Method to Use When Solving a Quadratic Equation
- $y _ { 1 } = \frac { 1 } { x + 11 } , y _ { 2 } = \frac { 1 } { x }$ , and $y _ { 1 } + y _ { 2 } = \frac { 1 } { 10 }$

A) $\frac { 9 \pm \sqrt { 521 } } { 2 }$
B) $\frac { - 31 \pm \sqrt { 521 } } { 2 }$
C) $\frac { 31 \pm \sqrt { 521 } } { 2 }$
D) $\frac { - 9 \pm \sqrt { 521 } } { 2 }$