1. Define a relation R on the integers by declaring xRy if 2x-3yis odd, the R is:
A) transitive, but not symmetric and not reflexive
B) reflexive and symmetric, but not transitive
C)not reflexive, not symmetric, and not transitive
D)reflexive, symmetric, and transitive
E)symmetric, but not transitive and not reflexive
2. Let R be equivalence relation on the integers defined by: xRyif x≅y(mod 8). which of the following numbers is an element of theequivalence class [18]?
A)-10
B)6
C)-6
D)12
