Math Methods Chp 1A
0.0(0)
Studied by 2 people
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt PlayCard Sorting
1/10
Last updated 10:06 AM on 11/30/22
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai | Chat |
|---|
No analytics yet
Send a link to your students to track their progress
11 Terms
1
New cards
x ∈ A
x is an element of set A
2
New cards
x ∉ A
x is not an element of set A
3
New cards
B ⊆ A
Every element of B is an element of A ; B is a subset of A
4
New cards
A ∩ B
The intersection of A and b
5
New cards
A ∪ B
The union of A and B
6
New cards
A \ B
The set difference of A and B ; What's in A but not in B
7
New cards
A ∩ B = ∅
An empty set ; A and B have no elements in common ; A and B are disjoint
8
New cards
ℝ
Real Numbers
9
New cards
ℚ
Rational Numbers i.e. Fractions
10
New cards
ℤ
Integers
11
New cards
ℕ
Natural numbers i.e. Real whole numbers excluding zero (1, 2, 3 etc.)