Try another version of this question Which rectangular equation is equivalent to the cylidrical equation `z = -8r^2`? `-5x-2y+z = 0` `-10x+y = z` `z = -8(x^2+y^2)` `z = -8y` Box 1: Select the best answer `z = -8(x^2+y^2)`
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Box 1: Select the best answer