WorksheetsBasic sets
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
What does this symbol ( ∩ ) represent in set theory?
a)
Union
b)
Intersection
c)
Disjointed
d)
Subset
2.
What does this symbol ( ∪ ) represent in set theory?
a)
Union
b)
Intersection
c)
Disjointed
d)
Subset
3.
What type of set is denoted as either { } or ∅?
a)
Universal Set
b)
Empty (or Null) Set
c)
Disjointed Set
d)
Complement of a Set
4.
A = {1, 3, 5, 7, 9}
B = {2, 3, 5, 7}
What is A ∩ B ?
B = {2, 3, 5, 7}
What is A ∩ B ?
a)
{3, 5, 7}
b)
{2, 3, 5, 7}
c)
{2, 3, 5, 7, 9}
d)
{1, 2, 3, 5, 7, 9}
5.
Find n(A) when
A = {14, 16, 18, 20, 22, 24}
A = {14, 16, 18, 20, 22, 24}
a)
6
b)
12
c)
4
d)
8
6.
If every element in set A is also in set B, then...
a)
A is a subset of B
b)
B is a subset of A
c)
A = B
d)
A and B are disjoint
7.
What statement does the shaded region represent
a)
A or B
b)
Not A
c)
A and B
d)
Not B
8.
What statement does the shaded region represent?
a)
A or B
b)
A and B
c)
A
d)
B
9.
a)
8
b)
7
c)
6
d)
3
10.
Write in set builder notation. {-3, -2, -1, 0, 1}
a)
{ x∈ ℤ | -3 < x < 1}
b)
{ x∈ ℤ | -3 < x < 1}
c)
{ x∈ ℝ | -3 < x < 1}
d)
{ x∈ ℝ | -3 < x < 1}
e)
[ -3,1]
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