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Mathematics, 04.09.2020 23:01 scottkayce

Find the center and radius of each of the following spheres: a) x^2 + y^2 + 8y + z^2 + 8y - 2z + 1 = 0 b) x^2 + y^2 + z^2 - 4x + 8y + 6z + 4 = 0
Find the intercepts and sketch the graph of each of the following planes.
a) 2x + 3y + 2z = 6
b) 3x + y = 6

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