# Equalities & Inequalities

Taught by videomathtutor
• Currently 4.0/5 Stars.
8362 views | 2 ratings
Meets NCTM Standards:
Lesson Description:

This lesson consists of providing you with a Self-Tutorial on the basics of equalities and inequalities. I go over how to write results in interval notation, inequality notation, and set (set-builder) notation. I also explain in the printed notes how to use your graphing calculator to help you make comparisons between numbers.

• Basic Math: Lesson 2 - Equalities & Inequalities - This lesson consists of providing you with a Self-Tutorial on the basics of equalities and inequalities. I go over how to write results in interval notation, inequality notation, and set (set-builder) notation. I also explain in the printed notes how to use your graphing calculator to help you make comparisons between numbers.
• Higher Resolution Version of Lesson - Click this link to watch a higher resolution version of this lesson in Windows Media Video format.
• What is interval notation?
• How do you write numbers in interval notation?
• How do you write inequalities?
• How do you graph inequalities on a number line?
• What is set notation?
• How do you write solutions in set notation?
• How do you know where to shade an inequality?
• How do you know whether to use an open or a closed circle in an inequality?
• #### Staff Review

• Currently 4.0/5 Stars.
A great lesson for any students learning about inequalities and the number line. This lesson also touches on set notation when describing inequalities. This is NOT just for beginner students.
• #### me22

• Currently 5.0/5 Stars.
it was really help for