6. Given the following relations on the set of all integers where (z,y) = R if and only if the following is satisfied. (Check ALL correct answers from the following lists): (a) x+y=0 OA. irreflexive B. symmetric OC. reflexive OD. transitive E. antisymmetric (b) z-y is an integer A. reflexive B. symmetric OC. transitive OD. irreflexive OE. antisymmetric (C) x = 2y Asymmetric

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