Introduction to Set Notation
Explore the basics of set notation, including identifying elements, subsets, and performing simple set operations like union and intersection.
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Introduction to Set Notation
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Read each question carefully and answer to the best of your ability. Show your work where applicable.
1. If A = {apple, banana, orange}, then 'apple' is an of set A.
2. The symbol used to denote an element belonging to a set is .
3. The set of even numbers less than 10 is {2, 4, 6, 8}. The number 5 is NOT an of this set.
4. Which of the following is a subset of {1, 2, 3}?
{4, 5}
{1, 2, 3, 4}
{1, 3}
None of the above
5. The empty set is a subset of every set.
True
False
6. Given Set A = {1, 2, 3, 4} and Set B = {3, 4, 5, 6}, what is A ∪ B (A union B)?
7. Given Set X = {red, blue, green} and Set Y = {blue, yellow, black}, what is X ∩ Y (X intersection Y)?
8. Use the Venn diagram below to answer the questions.
a) List the elements of Set A:
b) List the elements of Set B:
c) List the elements of A ∩ B:
d) List the elements of A ∪ B:
Match each symbol with its correct meaning.
9. ∈
a. Union
10. ⊆
b. Is an element of
11. ∪
c. Subset of
12. ∩
d. Intersection
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