Understanding Inequalities for Grade 9

Front

Definition of Inequality

Back

A mathematical statement that shows the relationship of one quantity being greater than, less than, or not equal to another.

Front

Symbol for "greater than"

Back

>

Front

Symbol for "less than"

Back

<

Front

Symbol for "greater than or equal to"

Back

≥

Front

Symbol for "less than or equal to"

Back

≤

Front

Linear Inequality

Back

An inequality involving a linear function.

Front

Quadratic Inequality

Back

An inequality involving a quadratic function.

Front

Compound Inequality

Back

Two or more inequalities joined by "and" or "or".

Front

First step in solving inequalities

Back

Simplify both sides if needed.

Front

Second step in solving inequalities

Back

Isolate the variable on one side.