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.
- $\frac { x ^ { 2 } } { 25 } + \frac { ( y - 5 ) ^ { 2 } } { 49 } = 1$

A) $y = \frac { 7 \sqrt { 1225 - 25 x ^ { 2 } } } { 25 }$ and $y = - \frac { 7 \sqrt { 1225 - 25 x ^ { 2 } } } { 25 }$
B) $y = \frac { 25 - 7 \sqrt { 25 - x ^ { 2 } } } { 5 }$ and $y = \frac { 7 \sqrt { 25 - x ^ { 2 } } + 25 } { 5 }$
C) $y = \frac { \sqrt { 625 - 49 x ^ { 2 } } } { 5 }$ and $y = - \frac { \sqrt { 625 - 49 x ^ { 2 } } } { 5 }$
D) $y = \frac { \sqrt { 1850 - 49 x ^ { 2 } } } { 5 }$ and $y = - \frac { \sqrt { 1850 - 49 x ^ { 2 } } } { 5 }$

Correct Answer:

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