Graph the Ellipse and Locate the Foci $$4 x ^ { 2 } + 9 y ^ { 2 } = 36$$

question 27

Multiple Choice

Graph the ellipse and locate the foci.
- $$4 x ^ { 2 } + 9 y ^ { 2 } = 36$$

• A) foci at \(( \sqrt { 5 } , 0 )\) and \(( - \sqrt { 5 } , 0 )\)
• B) foci at \(( \sqrt { 13 } , 0 )\) and \(( - \sqrt { 13 } , 0 )\)
• C) foci at \(( 2 \sqrt { 3 } , 0 )\) and \(( - 2 \sqrt { 3 } , 0 )\)
• D) foci at \(( 0 , \sqrt { 5 } )\) and \(( 0 , - \sqrt { 5 } )\)

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