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

question 474

Multiple Choice

Determine the two equations necessary to graph the ellipse with a graphing calculator.
- $$\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 16 } = 1$$

• A) \(y = \sqrt { \frac { 100 - x ^ { 2 } } { 5 } }\) and \(y = - \sqrt { \frac { 80 - x ^ { 2 } } { 5 } }\)
• B) \(y = \frac { 4 \sqrt { 25 - x ^ { 2 } } } { 25 }\) and \(y = - \frac { 4 \sqrt { 25 - x ^ { 2 } } } { 25 }\)
• C) \(y = \sqrt { \frac { 80 - x ^ { 2 } } { 4 } }\) and \(y = - \sqrt { \frac { 80 - x ^ { 2 } } { 4 } }\)
• D) \(y = \frac { 4 \sqrt { 25 - x ^ { 2 } } } { 5 }\) and \(y = - \frac { 4 \sqrt { 25 - x ^ { 2 } } } { 5 }\)

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