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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.
- x225+y216=1\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 16 } = 1


A) y=100x25y = \sqrt { \frac { 100 - x ^ { 2 } } { 5 } } and y=80x25y = - \sqrt { \frac { 80 - x ^ { 2 } } { 5 } }
B) y=425x225y = \frac { 4 \sqrt { 25 - x ^ { 2 } } } { 25 } and y=425x225y = - \frac { 4 \sqrt { 25 - x ^ { 2 } } } { 25 }
C) y=80x24y = \sqrt { \frac { 80 - x ^ { 2 } } { 4 } } and y=80x24y = - \sqrt { \frac { 80 - x ^ { 2 } } { 4 } }
D) y=425x25y = \frac { 4 \sqrt { 25 - x ^ { 2 } } } { 5 } and y=425x25y = - \frac { 4 \sqrt { 25 - x ^ { 2 } } } { 5 }

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