Question:

Identifu the property that is illustrated: a + (-a) =0. ?

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(A)identity element of addition

(B)reflexive

(C) symmetric

(D) associative of addition

(E) none

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2 ANSWERS


  1. (E) None of the above.

    The property illustrated is a property of the additive inverse.


  2. It would have been nice , had you mentioned the algebraic structure of the set a belongs to i.e. group, ring or filed. But assuming it is at least in a groups you can assume that it is symmetric  

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