Name: How Do You Draw an Interval on a Number Line?
Uploaded: 2023-08-27T14:16:03.942Z
Channel: House of Math
Description: The notations that are used to denote an interval on a number line can vary, but they often involve closed and open dots. Learn more by watching this video.

The notations that are used to denote an interval on a number line can vary, but they often involve closed and open dots. Learn more by watching this video.

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?

The notations that are used to denote an interval on a number line can vary, but they often involve closed and open dots. Learn more by watching this video. 