What is a symmetric relation?

Answer: A. A relation where if a is related to b, then b is related to a — A relation R on a set A is said to be symmetric if for every pair (a, b) in R, the pair (b, a) is also in R.

1. A.

   A relation where if a is related to b, then b is related to a

2. B.

   A relation where if a is related to b, then b is not related to a

3. C.

   A relation where every element is related to itself

4. D.

   A relation where every element is related to every other element

Attempted by 336 students.