Graph the ellipse and locate the foci.
-$$\frac { x ^ { 2 } } { 4 } + \frac { y ^ { 2 } } { 16 } = 1$$

A) foci at $( 2 \sqrt { 3 } , 0 )$ and $( - 2 \sqrt { 3 } , 0 )$
B) foci at $( 0,2 \sqrt { 3 } )$ and $( 0 , - 2 \sqrt { 3 } )$
C) foci at $( \sqrt { 21 } , 0 )$ and $( - \sqrt { 21 } , 0 )$
D) foci at $( 2 \sqrt { 5 } , 0 )$ and $( - 2 \sqrt { 5 } , 0 )$

Question

Graph the ellipse and locate the foci.
-$$\frac { x ^ { 2 } } { 4 } + \frac { y ^ { 2 } } { 16 } = 1$$

A) foci at $( 2 \sqrt { 3 } , 0 )$ and $( - 2 \sqrt { 3 } , 0 )$ 
B) foci at $( 0,2 \sqrt { 3 } )$ and $( 0 , - 2 \sqrt { 3 } )$ 
C) foci at $( \sqrt { 21 } , 0 )$ and $( - \sqrt { 21 } , 0 )$ 
D) foci at $( 2 \sqrt { 5 } , 0 )$ and $( - 2 \sqrt { 5 } , 0 )$

Quizplus · Accepted Answer

The Answer of Graph the ellipse and locate the foci.
-$$\frac { x ^ { 2 } } { 4 } + \frac { y ^ { 2 } } { 16 } = 1$$

A) foci at $( 2 \sqrt { 3 } , 0 )$ and $( - 2 \sqrt { 3 } , 0 )$ 
B) foci at $( 0,2 \sqrt { 3 } )$ and $( 0 , - 2 \sqrt { 3 } )$ 
C) foci at $( \sqrt { 21 } , 0 )$ and $( - \sqrt { 21 } , 0 )$ 
D) foci at $( 2 \sqrt { 5 } , 0 )$ and $( - 2 \sqrt { 5 } , 0 )$

Graph the Ellipse and Locate the Foci x24+y216=1\frac { x ^ { 2 } } { 4 } + \frac { y ^ { 2 } } { 16 } = 14x2​+16y2​=1

Graph the Ellipse and Locate the Foci $\frac { x ^ { 2 } } { 4 } + \frac { y ^ { 2 } } { 16 } = 1$