WorksheetsActivity on Sets
Total questions: 25
Worksheet time: 14mins
Another term for member of a set.
element
set
set notation
roster method
What is the cardinality of set A is a counting number less than 10?
7
8
9
10
Which of the following is true?
The cardinality of an empty set is 1.
If two sets have exactly the same elements, then they are equal.
If two sets are equal, then they are equivalent.
If two sets are equivalent, then they are equal.
If A = {a, b, c, d}, how many subsets does A have?
(a)
Which is not an infinite set?
{x|x is a counting number greater than 15}
{2, 4, 6,..}
{x|x is a factor of 36}
{x|x is a multiple of 9}
What way of expressing sets lists down all the elements contained in the set?
set-builder
roster
graphical
semantic
What operation on sets combine all the elements found in the sets selected?
Union
Intersection
Complement
Cardinality
If
U (the universal set) = {1, 3, 5, 7, 9, 11, 13, 15, 17} and W = {5, 7, 9, 11}, then W' = . . ..
{1, 3, 13, 15, 17}
{1, 3}
{2, 4, 6, 8, 10, 12, 14, 16}
{1, 3, 5, 7, 9, 11, 13, 15, 17}
Let A={1, 3, 4} and B={x|x is an even whole number less than 9}. Find A U B
{1, 3, 4}
{1, 2, 3, 4, 6,8}
{1, 2, 3, 4, 5, 6, 7, 8}
{1, 2, 3, 4, 5, 6, 7}
Let A={1, 3, 4} and B={x|x is an even whole number less than 9}. Find A ∩ B
{1, 3, 4}
{1, 2, 3, 4, 6,8}
{4}
{2, 4}
1. Which best describe the set
{0, 2, 4, 6, …}?
Set of all counting numbers divisible by 2
Set of all composite numbers
Set of all whole numbers divisible by 2
Set of rational numbers
If A={6,8,10,12} then 5 ∈ A
True
False
If P = {a, e, i, o, u} then choose which are correct .
a ∈ P
b ∈ P
i ∈ P
g ∉ P
A = {14, 16, 18, 20, 22, 24}
A set having no elements is called
Null Set
Void Set
Empty set
Infinite set
Set of factors of 12 is
{ 1,2,3,4,5}
{2,3,4}
{1,2,3,4,12}
{1,3,5,7}
What are the subsets of {4,3,2,1,5}
{ }
{ 1,2,3}
{2,4,6,8}
{1,2,3,4,5}
Which symbol completes the statement correctly? {6}____{1,3,6}
ϵ
⊂
=
⊂
Describe this set in words: {2,3,5,7,11,13,17,19}
Set of prime numbers from 2 to 19
Set of prime numbers less than 19
Set of odd numbers less than 20
Set of whole numbers less than 20
Write {even whole numbers between 3 to 15} using the roster method.
{3,5,7,9,11,13,15}
{5,7,9,11,13}
{4,6,8,10,12,14}
{2,4,6,8,10,12,14,16}
Which of the following is not an element of A = {b, g, 5, 8, 12}}
c
12
g
8
Set D is the set of the distinct letters in the word mathematics. Write the set using the Roster method.
D = {m, a, t, h, e, m, a, t, i, c, s}
D = {m, a, t, h}
D = {m, a, t, h, e, i, c, s}
D = {m, a, t, h, i, c, s}
