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Expii
Ellipses with Center (h,k) - Expii
Learn how to identify the center (h,k) of an ellipse, and how to write an equation given its graph and/or key features. Common examples include (x-h)²/a² + (y-k)²/b² = 1 (horizontal, if a > b) and (y-k)²/a² + (x-h)²/b² = 1 (vertical, if a > b).