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Without graphing or writing in standard form, explain why the graph for the equation x2 - 4x + 4y2 - 8y - 4 = 0

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Without graphing or writing in standard form, explain why the graph for the equation x2 - 4x + 4y2 - 8y - 4 = 0 must be an ellipse. For the hyperbola given as 16x2 - y2 - 32x - 6y - 57 = 0. a. Find the center, vertices, and foci. b. Sketch the graph of the hyperbola, include asymptotes

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