Write an Equation for the Ellipse $( \pm 9,0 ) ; x$

question 475

Multiple Choice

Write an equation for the ellipse.
-foci at $( \pm 9,0 ) ; x$ -intercepts $( \pm 15,0 )$

• A) \(\frac { x ^ { 2 } } { 12 } + \frac { y ^ { 2 } } { 15 } = 1\)
• B) \(\frac { x ^ { 2 } } { 144 } + \frac { y ^ { 2 } } { 225 } = 1\)
• C) \(\frac { x ^ { 2 } } { 15 } + \frac { y ^ { 2 } } { 12 } = 1\)
• D) \(\frac { x ^ { 2 } } { 225 } + \frac { y ^ { 2 } } { 144 } = 1\)

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