Warmup: Flashcard Review Sets and Venn Diagrams

Flashcard
•
Mathematics
•
11th Grade
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the union of two sets A and B?
Back
The union of two sets A and B, denoted as A ∪ B, is the set of elements that are in A, in B, or in both.
2.
FLASHCARD QUESTION
Front
What is the intersection of two sets A and B?
Back
The intersection of two sets A and B, denoted as A ∩ B, is the set of elements that are common to both A and B.
3.
FLASHCARD QUESTION
Front
Define the complement of a set A.
Back
The complement of a set A, denoted as A', is the set of all elements not in A.
4.
FLASHCARD QUESTION
Front
What does the symbol '∈' represent in set theory?
Back
The symbol '∈' means 'is an element of'. For example, if x ∈ A, then x is an element of set A.
5.
FLASHCARD QUESTION
Front
How do you find the cardinality of a set?
Back
The cardinality of a set is the number of elements in the set. For example, the cardinality of B = {-3, -1, 1, 3, 5, 7} is 6.
6.
FLASHCARD QUESTION
Front
What is the difference between A ∪ B and A ∩ B?
Back
A ∪ B includes all elements from both sets, while A ∩ B includes only the elements that are in both sets.
Tags
CCSS.HSS.CP.A.1
7.
FLASHCARD QUESTION
Front
If A = {1, 3, 5} and B = {3, 4, 5}, what is A ∩ B?
Back
A ∩ B = {3, 5}.
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