Name: What Is an Open Interval?
Uploaded: 2023-08-27T14:16:03.942Z
Channel: House of Math
Description: An open interval is an interval that does not include its endpoints. Both finite and infinite intervals can be open. Check out this video for some examples.

An open interval is an interval that does not include its endpoints. Both finite and infinite intervals can be open. Check out this video for some examples.

A real number is any value that can be represented on a number line. Examples of real numbers are integers, decimals, fractions, square roots and the number π

Mathagon

Definition

Interval on a Number Line

Intervals as Inequalities

Interval Notation Using Square Brackets and Parentheses

Open Intervals

Closed Intervals

Half-open Intervals

Union of Intervals

Intersection of Intervals

What Are Intervals?

An open interval is an interval that does not include its endpoints. Both finite and infinite intervals can be open. Check out this video for some examples. 