In Exercises 1 to 12, if the equation is that of
Chapter , Problem 11(choose chapter or problem)
In Exercises 1 to 12, if the equation is that of an ellipse or a hyperbola, find the center, vertices, and foci. For hyperbolas, find the equations of the asymptotes. If the equation is that of a parabola, find the vertex, the focus, and the equation of the directrix. Graph each equation. 4x2 + 28x + 32y + 81 = 0
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