Solving Inequalities

An inequality is a mathematical statement that compares two expressions using inequality symbols such as <, >, ≤, or ≥.

The symbol '<' means 'less than'.

The symbol '>' means 'greater than'.

The symbol '≤' means 'less than or equal to'.

The symbol '≥' means 'greater than or equal to'.

You draw a number line, place an open dot at 3, and shade to the left.

You draw a number line, place a closed dot at 4, and shade to the right.

b < 2.

x > -22.

A closed dot indicates that the number is included in the solution (≤ or ≥), while an open dot indicates it is not included (< or >).