Lesson 2: Language Of Sets

Question 1

lt is often said that mathematics is the language of?

Answer 1

Science

Question 2

the set of natural numbers?

Answer 2

= {1,2,3,4,5,…}

Question 3

The set of whole number?

Answer 3

={0,1,2,3,4,5,…}

Question 4

The set of integers?

Answer 4

={…-2,-1,0,1,2,…}

Question 5

The set of rational numbers?

Answer 5

={m/n, where n ≠ 0 }

Question 6

The set of irrational numbers?

Answer 6

={non-repeating, non-terminating decimals}

Question 7

includes the numbers used for counting:

Answer 7

The set of natural numbers

Question 8

is the set of natural numbers plus zero:

Answer 8

The set of whole numbers

Question 9

adds the negative natural numbers the set of whole numbers:

Answer 9

The set of integers

Question 10

includes fractions written as (m/n|m and n are integers and n ≠ 0)

Answer 10

The set of rational numbers

Question 11

is the set of numbers that are not rational, are non repeating, and are non-terminating:
(h|h is not a rational number).

Answer 11

The set of irrational numbers

Question 12

a collection of objects

Answer 12

Set

Question 13

the objects in a set are called the

Answer 13

elements of a set

Question 14

“x” is called a?

Answer 14

Variable

Question 15

symbol used to represent any element of a given set.

Answer 15

Variable(x)

Question 16

Another way of writing the above set S is to use what is called

Answer 16

set-builder notation

Question 17

vertical bar (|) is used in place of words?

Answer 17

Such that

Question 18

is used in place of words such that

Answer 18

vertical bar (I)

Question 19

are used to indicate that the list goes on and on with no last number.

Answer 19

Dots

Question 20

The symbol “ ∈ “ is used to indicate that a specific element belongs to a set.

Answer 20

Element

Question 21

A. Types of Describing Sets:

Answer 21

1. Rule method
2. Roster method

Question 22

describe the elements of the set.

Answer 22

Rule method

Question 23

List the element of set

Answer 23

Roster method

Question 24

Types of set:

Answer 24

1. Finite set
2. Infinite set
3. Unit set
4. Null set

Question 25

The number of set in countable

Answer 25

Finite set

Question 26

The number of set is not countable

Answer 26

Infinite set

Question 27

a set composed of only one element.

Answer 27

Unit set

Question 28

a set composed of no element.

Answer 28

Null set

Question 29

refers to the number of elements of a given set.

Answer 29

cardinality

Question 30

A is a subset of B “A c B” if every element of A is an element of B.

Answer 30

Subset

Question 31

A and B have the same number of elements.

Answer 31

Equivalent Sets

Question 32

A and B are equal sets, A = B, if A and B have the same number of elements.

Answer 32

Equal Sets

Question 33

sets if A and B have no common elements.

Answer 33

Disjoint Sets

Question 34

Created venn diagram

Answer 34

John venn

Question 35

make mathematics easier because they help us to see the whole situation at a glance.

Answer 35

Diagrams

Question 36

This larger set is called the

Answer 36

universal set.

Question 37

Symbol of universal set?

Answer 37

U

Question 38

is a rectangular figure representing the universal set

Answer 38

venn diagram

Question 39

Operation sets:

Answer 39

1. Complement
2. Union
3. Intersection
4. Set difference
5. Cartesian product

Question 40

the set that contains the elements in U but not in A.

Answer 40

Complement

Question 41

is the set composed of the elements in A or in B or both.

Answer 41

Union

Question 42

is the set composed of elements both in A and B.

Answer 42

Intersection

Question 43

A - B is the set composed of the elements of A not found in B

Answer 43

Set difference

Question 44

is the set of all ordered pairs (a, b), where a is in A and b is in B.

Answer 44

Cartesian product