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

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

A) $y = \sqrt { \frac { 245 - x ^ { 2 } } { 7 } }$ and $y = - \sqrt { \frac { 175 - x ^ { 2 } } { 7 } }$

B) $y = \frac { 5 \sqrt { 49 - x ^ { 2 } } } { 7 }$ and $y = - \frac { 5 \sqrt { 49 - x ^ { 2 } } } { 7 }$

C) $y = \sqrt { \frac { 175 - x ^ { 2 } } { 5 } }$ and $y = - \sqrt { \frac { 175 - x ^ { 2 } } { 5 } }$

D) $y = \frac { 5 \sqrt { 49 - x ^ { 2 } } } { 49 }$ and $y = - \frac { 5 \sqrt { 49 - x ^ { 2 } } } { 49 }$

Correct Answer:

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