Find an Equation in Standard Form for the Ellipse That $\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 81 } = 1$

question 155

Multiple Choice

Find an equation in standard form for the ellipse that satisfies the given conditions.
-The horizontal major axis is of length 18 , and the minor axis is of length 10 .

• A) \(\frac { x ^ { 2 } } { 25 } + \frac { y ^ { 2 } } { 81 } = 1\)
• B) \(\frac { x ^ { 2 } } { 9 } + \frac { y ^ { 2 } } { 5 } = 1\)
• C) \(\frac { x ^ { 2 } } { 81 } + \frac { y ^ { 2 } } { 25 } = 1\)
• D) \(\frac { x ^ { 2 } } { 5 } + \frac { y ^ { 2 } } { 9 } = 1\)

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