Set Notation

By Aanbar Mohammed

Multiple Choice

What type of set is denoted as either { } or ∅?

• Universal Set
• Empty (or Null) Set
• Disjointed Set
• Complement of a Set

Multiple Choice

What does this symbol ( ∪ ) represent in set theory?

• Union

• Intersection

• Disjointed

• Subset

Multiple Choice

What does this symbol ( ∩ ) represent in set theory?

• Union
• Intersection
• Disjointed
• Subset

Multiple Choice

What statement does the shaded region represent

• A or B
• Not A
• A and B
• Not B

Multiple Choice

What statement does the shaded region represent?

• A or B
• A and B
• A
• B

Multiple Choice

Which of the following represents the shaded region?

• (A ⋃ B)'
• (A ∩ B)'
• A'
• B'

Multiple Choice

The Universal Set = { -4, -3, -2, -1, 0, 1, 2, 3 ,4} and

A = {-1, 0, 1}. What is the complement of A?

• {-4, -3, -2, 0, 1, 2, 3, 4}

• {-3, -2, -1, 1, 2, 3}

• {-4, -3, -2, 0, 2, 3, 4}

• {-4, -3, -2, -1, 1, 2, 3}

Multiple Choice

If A = {1, 3, 5, 7, 9} and B = {2, 3, 5, 7}, what is A ∩ B?

• {3, 5, 7}

• {2, 3, 5, 7}

• {2, 3, 5, 7, 9}

• {1, 2, 3, 5, 7, 9}

Multiple Choice

Which is the correct set notation for 
A U B?

• {12, 14, 15, 18, 21}
• {10, 11, 12, 14, 15, 18, 21}
• {10, 11, 13, 16, 17, 19, 20}
• {12, 14, 15, 18}

Multiple Choice

Find n(A) when A = {14, 16, 18, 20, 22, 24}.

• 6

• 14

• 24

• 2