# How do you tell if ordered pairs are a function?

## How do you tell if ordered pairs are a function?

How do you figure out if a relation is a function? You could set up the relation as a table of ordered pairs. Then, test to see if each element in the domain is matched with exactly one element in the range. If so, you have a function!

How do you describe a graph?

To describe the graph, follow the trend from left to right and describe if it does down, up, or stays the same.

What can you say about the ordered pairs a B and B A?

The pair of elements that occur in a particular order and are enclosed in brackets is known as a set of ordered pairs. If ‘a’ and ‘b’ are two elements, then the two different pairs are (a, b), (b, a). In an ordered pair (a, b), a is called the first element and b is called the second element.

### How do you describe ordered pairs?

An ordered pair is two numbers for which the order in which they are given is important. Ordered pair usually refers to a set of two numbers used to locate a point in a coordinate plane. When an ordered pair refers to the location of a point in the coordinate plane, they are called the coordinates of the point.

What does ordered pairs mean in math?

An ordered pair is a pair of numbers, (x,y) , written in a particular order.

How do you graph ordered pairs of functions?

We can also represent functions using graphs by plotting all the ordered pairs of a function on a coordinate axis. For example, consider the function y = 2 x + 1. We graph this by graphing all the ordered pairs that satisfy the equation.

## How do you graph a function in math?

We can also represent functions using graphs by plotting all the ordered pairs of a function on a coordinate axis. For example, consider the function y = 2 x + 1. We graph this by graphing all the ordered pairs that satisfy the equation. But how do we know this is a function?

How does Salsal interpret and graph ordered pairs?

Sal interprets and graphs the relationships between patterns in the given ordered pairs. Created by Sal Khan. This is the currently selected item. Below are ordered pairs that represent the first six terms of two given patterns. The first value in each pair is a term from pattern A. And the second value is a term from pattern B.

What is the ordered pair of a linear equation?

An ordered pair is a solution of a linear equation, if the equation is a true statement when the x – and y -values of the ordered pair are substituted into the equation. The graph of a linear equation is a straight line where every point on the line is a solution of the equation and every solution of this equation is a point on this line.

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