Virtual Nerd: What Is the Range of a Relation?

After defining a simple function from a word problem, a short video shows how to find its domain and range. The instruction reinforces the definitions of domain and range with a concrete example.

The teacher illustrates several ways to look at what the range is in a set of numbers. Input, output, stem and plot table, graphs, and diagrams are a few of the ways in which she illustrates the meaning of range.

This tutorial teaches about one of the ways to dissect a set of data called the interquartile range. [4:34]

The teacher illustrates several ways to look at what the domain is in a set of numbers. Input, output, table, graphs, and diagrams are a few of the ways in which she illustrates the meaning of domain.

Prepare for the SAT by reviewing how to simplify expressions using the distributive property. Watch this video for an explanation and examples. [5:45]

To simplify radicals, review the product property of square roots. This video will explain the concept along with examples. [4:15]

How do you take a square root of a fraction? Watch this tutorial on how to use the quotient property of square roots to find the answer. [3:50]

Discover what a relation is through a set of ordered pairs. [0:50]

This tutorial takes a look at relations which are a set of ordered pairs. [0:50]

The domain of a relation is the set of the first coordinates from the ordered pairs. This tutorial explains the definition. [7:22]