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Identify the following quadric surfaces, and sketch a graph using at least three traces for each surface. Do not use technology to graph these. (a) z = 4 - x^2 - y^2 (b) x^2 + y^2 - z^2 = -3 (c) y^2 + 9z^2 = 36 (d) x^2 + 9y^2 + 4z^2 = 36

Identify the following quadric surfaces, and sketch a graph using at least three traces for each surface. Do not use technology to graph these. (a) z = 4 - x^2 - y^2 (b) x^2 + y^2 - z^2 = -3 (c) y^2 + 9z^2 = 36 (d) x^2 + 9y^2 + 4z^2 = 36

Identify the following quadric surfaces, and sketch a graph using at least three traces for each surface. Do not use technology to graph these. (a) z = 4 - x^2 - y^2 (b) x^2 + y^2 - z^2 = -3 (c) y^2 + 9z^2 = 36 (d) x^2 + 9y^2 + 4z^2 = 36

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Identify the following quadric surfaces, and sketch a graph using at least three traces for each surface. Do not use technology to graph these. (a) z = 4 - x^2 - y^2 (b) x^2 + y^2 - z^2 = -3 (c) y^2 + 9z^2 = 36 (d) x^2 + 9y^2 + 4z^2 = 36

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