Understanding Inequalities

The video provides a quick review of inequalities, explaining how to represent them using symbols. It covers examples of inequalities such as 'less than', 'greater than or equal to', and 'or' conditions, demonstrating how to graphically represent these on a number line. The tutorial concludes with a final example and a summary of the key points discussed.

How do you represent 'X is less than 4' on a number line?

• With a closed circle at 4

• With an open circle at 4

• With an open circle at -4

• With a closed circle at -4

What does a closed circle on a number line indicate?

• The number is not included

• The number is included

• The number is greater than

• The number is less than

In an 'or' inequality, how is 'X is less than -2' represented?

• With a closed circle at -2

• With an open circle at -2

• With a closed circle at 2

• With an open circle at 2

How do you represent 'X is greater than 1' in an 'or' inequality?

• With a closed circle at 1

• With an open circle at 1

• With a closed circle at -1

• With an open circle at -1

What does 'X is greater than or equal to 6' look like on a number line?

• A closed circle at 6

• An open circle at -6

• A closed circle at -6

• An open circle at 6