M118 VAC 2.1 Set Basics
1) A collection of objects (in math class, frequently numbers) is called a(n)
A) set
B) bunch
C) collection
D) group
1)
2) Traditionally, set are represented by
A) capital letters
C) small letters
2)
B) greek letters
D) chinese letters
3) The symbol N stands for the set of
A) non-zero numbers
B) non-fractional numbers
C) natural numbers
3)
D) negative numbers
4) The counting numbers {1, 2, 3, ...} are also called the
A) real numbers
B) rational numbers
C) irrational numbers
D) natural numbers
4)
5) If the contents of a set can be clearly determined, we say thet the set is
A) clear
B) determinate
5)
6) The method of describing a set by listing its members, is called
A) set-builder notation
B) the roster method
6)
7) The notation { x | x > 2 } is called
7)
C) well-defined
D) contained
C) a word description
D) the rule method
A) the rule method
B) a word description
C) set-builder notation
D) the roster method
8) In the notation { x | x > 2 } the vertical line stands for the phrase
A) greater than
B) such that
C) equals
9) To indicate that we are talking about a set, we use
A) apostrophes
B) braces
C) parentheses
10) If something belongs to a set we say that it is a(n)
A) setter
B) member
C) element
D) less than
D) brackets
D) either b or c
11) True or False: When we list the objects that belong to a set, order is not
important.
A) False
B) True
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8)
9)
10)
11)
12) In set-builder notation, the letter
12)
13) Three dots that indicate that the pattern continues in the same manner are called
13)
A) must be a letter at the end of the alphabet
B) must be a capital letter
C) can be any letter
D) must be x
a(n)
A) dot matrix
B) ellipsis
C) continuum
D) peridot
14) Which of these is not used to indicates the set that contains no elements
A) { }
B) "the null set"
C)
D) "the empty set"
14)
15) 3
A means
A) there are a total of 3 elements in A
B) 3 is not a member of the set A
C) 3 is a member of the set A
D) 3 is smaller than the set A
15)
16) 3
A means
A) 3 is smaller than the set A
B) 3 is a member of the set A
C) there are fewer than 3 elements in A
D) 3 is not a member of the set A
16)
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