Inequalities

Inequalities on a Number Line

An inequality involves one of the four symbols >, ≥, < or ≤.

Inequalities are statements of the form:

The following are a set of properties for inequalities:

Inequalities can be represented on a number line.Number line for x ∈N or x ∈Z , use dotsNumber line for x ∈R use a full heavy line.

Multiplying or dividing both sides of an inequality by a negative number reverses the direction of the inequality symbol.