Signs & Symbols
Arithmetic
Sets
Unions & Intersections
100
This, ⊆, is a symbol for
What is a Subset
100
This is the Cardinal Number in the below set {2, 4, 6, 8, 10}
What is 5
100
This is a subset of the below set, but not a proper subset. {c, a, t}
What is {c, a, t}
100
The Intersection of A ={1, 2, 3} and B = {2, 4, 6}.
What is {2}
200
The symbol for the below set is.... {-3, -2, -1, 0, 1, 2, 3}
What is Z
200
Whole numbers start at this number.
What is 0
200
This is the elements in roster form of A = {x | x is an integer and -1 < x < 2}
What is {0, 1}
200
Given: A = {1,2,3}, B = {2,3,4}, C = {0,1,3} Solution: {1, 2, 3, 4}
What is A U B
300
What symbol means "Such That"
A Vertical Bar, |
300
This is the number of subsets in the below set {c, a, t}
8
300
This is a subset of all sets
What is the Empty Set
300
Given: A = {1,2,3}, B = {2,3,4}, C = {0,1,3} Solution: {3}
What is (A ∩ B ∩ C)
400
This symbol denotes "is an element of"?
What is e
400
1/3 is an element of this Real Number Category.
What is Rational Numbers.
400
If U = {1, 2, 3, 4} and A = {1, 2}, then this is A'.
What is A' = {3, 4}
400
Given: A = {1,2,3}, B = {2,3,4}, C = {0,1,3} Solution: {1}
What is A - B
500
n(A U B) is the symbol for....
What is the Cardinality of a Union
500
Pi is an element of this Real Number Category.
What is Irrational Numbers.
500
The below set is described as... {x | x ∈ Z and x > -3}
What is "x such that x is an element of the integers and x is greater than -3"
500
Given: A = {1,2,3}, B = {2,3}, C = {1,3} Solution: {1}
What is B'
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