Determine the Two Equations Necessary to Graph the Hyperbola with a Graphing

Determine the two equations necessary to graph the hyperbola with a graphing calculator.
- $$\frac { x ^ { 2 } } { 25 } - \frac { y ^ { 2 } } { 49 } = 1$$

A) $y = \frac { 7 \sqrt { x ^ { 2 } - 25 } } { 5 }$ and $y = - \frac { 7 \sqrt { x ^ { 2 } - 25 } } { 5 }$
B) $y = \frac { 5 \sqrt { x ^ { 2 } - 25 } } { 7 }$ and $y = - \frac { 5 \sqrt { x ^ { 2 } - 25 } } { 7 }$
C) $y = \frac { 7 \sqrt { x ^ { 2 } } - 5 } { 5 }$ and $y = - \frac { 7 \sqrt { x ^ { 2 } } - 5 } { 5 }$
D) $y = \frac { 5 \sqrt { x ^ { 2 } + 25 } } { 7 }$ and $y = - \frac { 5 \sqrt { x ^ { 2 } + 25 } } { 7 }$

Correct Answer:

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