Answer:
Let’s start by saying that a relation is simply a set or collection of ordered pairs. Nothing really special about it. An ordered pair, commonly known as a point, has two components which are the x and y coordinates.
Main Ideas and Ways How to Write or Represent Relations
As long as the numbers come in pairs, then that becomes a relation. If you can write a bunch of points (ordered pairs) then you already know how a relation looks like. For instance, here we have a relation that has five ordered pairs. Writing this in set notation using curly braces,
Relation in set notation:
However, aside from set notation, there are other ways to write this same relation. We can show it in a table, plot it on the xy-axis, and express it using a mapping diagram.
Relation in table
a table with wherein the x column has entries -2, -2, 0, 1, and 3 while the y column has entries 1, 3, -3, 4 and 1
