Algebra Quiz (sets, Etc.) Flashcards
(22 cards)
1
Q
Backward E
A
There exists
2
Q
.
. .
A
Therefore
3
Q
s.t.
A
Such that
4
Q
–>
A
Then or implies
5
Q
A
Is equivalent to
6
Q
E
A
Is an element of
7
Q
Upside down A
A
For all or for any
8
Q
c
A
A subset of
9
Q
underlined c
A
Proper subset of or is equal to
10
Q
U
A
Union
11
Q
Upside down U
A
Intersection
12
Q
V
A
Or (can mean union)
13
Q
Relation
A
Any set of order pairs or numbers
14
Q
Abiscissa
A
1st coordinate on an ordered pair
15
Q
Ordinate
A
2nd coordinate on an ordered pair
16
Q
Range
A
Set of all ordinates of a relation
17
Q
Vertical line test
A
If a line meets two or more points the relation isn’t a function
18
Q
Set
A
A collection of things
19
Q
!
A
One and only or unique
20
Q
AUB
A
{x:x E A V x E B}
21
Q
A U B (U is upside down)
A
{x:x E A V x E B} V is upside down
22
Q
Interval
A
Set of all real numbers between two reals (or a real value and negative or positive infinity)
