Sets and Numbers Quiz
Beginner
I.
Match the number system with its definition. (more than one apply)
_____ Whole numbers
A. 1,2,3 . . . .
_____ Integers
B.
_____ Rationals
C. Z
_____ Irrational
D. I
_____ Natural Numbers
E. Q
_____ Real Numbers
F. …, -2, -1, 0, 1, 2, …
_____ Complex Numbers
G. √
where b
H. All except G
II. What is the difference between:
a)  and 
b)  and 
c) A and
(or ̅ )