Write Equations of Ellipses in Standard Form
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A) $\frac { x ^ { 2 } } { 49 } + \frac { y ^ { 2 } } { 9 } = 1$

Multiple Choice

Write Equations of Ellipses in Standard Form
-

A) $\frac { x ^ { 2 } } { 49 } + \frac { y ^ { 2 } } { 9 } = 1$
foci at $( - 2 \sqrt { 10 } , 0 )$ and $( 2 \sqrt { 10 } , 0 )$
B) $\frac { x ^ { 2 } } { 9 } + \frac { y ^ { 2 } } { 49 } = 1$
foci at $( - 2 \sqrt { 10 } , 0 )$ and $( 2 \sqrt { 10 } , 0 )$
C) $\frac { x ^ { 2 } } { 49 } - \frac { y ^ { 2 } } { 9 } = 1$
foci at $( - 2 \sqrt { 10 } , 0 )$ and $( 2 \sqrt { 10 } , 0 )$
D) $\frac { x ^ { 2 } } { 49 } + \frac { y ^ { 2 } } { 9 } = 1$
foci at $( - 7,0 )$ and $( 7,0 )$