Sets notation

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

• Union
• Intersection
• Disjointed
• Subset

Tags

CCSS.HSS.CP.A.1

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

• Union

• Intersection

• Disjointed

• Subset

Tags

CCSS.HSS.CP.A.1

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

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

A = {1, 3, 5, 7, 9}
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}

Tags

CCSS.HSS.CP.A.1

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

What is the complement of A?

• {-4, -3, -2, -1, 0, 1, 2, 3}

• {-3, -2, -1, 1, 2, 3}

• {-4, -3, -2, -1, 1, 2, 3, 4}

• {-4, -3, -2, -1, 1, 2, 3}

Tags

CCSS.HSS.CP.A.1

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

• 6
• 12
• 4
• 8

If every element in set A is also in set B, then...

• A is a subset of B
• B is a subset of A
• A = B
• A and B are disjoint

Tags

CCSS.HSS.CP.A.1

How many subsets will this set have? A= {a, b, c} ?

• 8

• 6

• 3

• 0

Tags

CCSS.HSS.CP.B.9

Which of the following means proper subset?

•  $\subset$  

•  $\subseteq$  

•  $\in$  

• =

Which of the following is the symbol for element of?

• ∅

•  $\subset$  

•  $\in$  

•  $\not\subset$