Mathematics, 24.01.2020 21:31 wuluchapman

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which is the equation of an ellipse with directrices at y = ±4 and foci at (0, 2) and (0, −2)?
x squared over 16 minus y squared over 4 equals 1
x squared over 4 plus y squared over 16 equals 1
x squared over 8 minus y squared over 4 equals 1
x squared over 4 plus y squared over 8 equals 1

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