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.
- $$\frac { x ^ { 2 } } { 64 } + \frac { ( y - 2 ) ^ { 2 } } { 81 } = 1$$

A) $y = \frac { 9 \sqrt { 5184 - 4 x ^ { 2 } } } { 16 }$ and $y = - \frac { 9 \sqrt { 5184 - 4 x ^ { 2 } } } { 16 }$

B) $y = \frac { 16 - 9 \sqrt { 64 - x ^ { 2 } } } { 8 }$ and $y = \frac { 9 \sqrt { 64 - x ^ { 2 } } + 16 } { 8 }$

C) $y = \frac { \sqrt { 5440 - 81 x ^ { 2 } } } { 8 }$ and $y = - \frac { \sqrt { 5440 - 81 x ^ { 2 } } } { 8 }$

D) $y = \frac { \sqrt { 256 - 81 x ^ { 2 } } } { 8 }$ and $y = - \frac { \sqrt { 256 - 81 x ^ { 2 } } } { 8 }$

Correct Answer:

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