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OpenStudy (anonymous):
Find the center, vertices, and foci of the ellipse with equation 5x2 + 9y2 = 45. i got Center: (0, 0); Vertices: (-3, 0), (3, 0); Foci: (-2, 0), (2, 0) ??
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OpenStudy (anonymous):
u should use sqrt (5) instead of 2. the rest is correct
OpenStudy (anonymous):
thanks and okay
OpenStudy (anonymous):
I'm sure u just made a mistake.
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