Relations (SG)

Question 1

What is a set?

Answer 1

A set is a well defined collection of objects.

Question 2

What are the 3 ways to represent a set?

Answer 2

Tabular form, Descriptive form, and Set builder form.

Question 3

This form represents the set by listing all the elements of a set separated by commas and enclosed within curly brackets.

Answer 3

Tabular form

Question 4

This form represents a set in the state of words describing the elements of the set.

Answer 4

Descriptive form

Question 5

This form represents a set by writing the common characteristics shared by all the elements of the set in a symbolic form.

Answer 5

Set builder form

Question 6

A collection of ordered pairs In which the first element is related to the second element.

Answer 6

Relation

Question 7

a relation can be represented by?

Answer 7

Ordered pairs, Mapping diagram, Table of values, Graph, or Rule

Question 8

Z = {(4,4),(5,5),(6,6),(7,7)}
How is this relation represented?

Answer 8

By ordered pairs

Question 9

In this way of representing a relation, the arrows indicate which elements in the first set are related to the elements in the second set.

Answer 9

Mapping Diagram

Question 10

In this way of representing a relation the elements are arranged in a table wherein the elements of the first set are located above whilst the elements of the second set are located below.

Answer 10

Table

Question 11

In this way of representing a relation, there is a set of instructions given, the that instruction should be written in set builder form: {(x,y)|x ∈ A, y ∈ B and x=y}

Answer 11

Rule

Question 12

In this way of representing a relation we plot the points on the cartesian plane.

Answer 12

Graph