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Find the Directrices of the Ellipse 4x2+y2=44 \mathrm { x } ^ { 2 } + \mathrm { y } ^ { 2 } = 4

Question 250

Multiple Choice

Find the directrices of the ellipse.
- 4x2+y2=44 \mathrm { x } ^ { 2 } + \mathrm { y } ^ { 2 } = 4


A) y=±43\mathrm { y } = \pm \frac { 4 } { \sqrt { 3 } }
B) x=±45x = \pm \frac { 4 } { \sqrt { 5 } }
C) x=±43x = \pm \frac { 4 } { \sqrt { 3 } }
D) y=±23y = \pm \frac { 2 } { \sqrt { 3 } }

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