# What is an Inequality? Definition and Examples.

An inequality is a mathematical sentence between two quantities that are different or not equal.

To express an inequality, we use one of the following symbols

< is less than

≤ is less than or equal to

> is bigger than

≥ is bigger than or equal to

≠ is not equal to

## Examples of inequalities

88.9 > 88.2 ( 88.9 is bigger than 88.2 )

4 + 9 ≠ 4 + 8 ( 4 + 9 is not equal to 4 + 8)

-8 < -2 ( - 8 is smaller than -2)

12 + 3 ≥ 3 × 4 (12 + 3 is bigger than or equal to 3 × 4 )

2 ≤ 4 (2 is smaller than or equal to 4)

2x + 8 > 4

(1/2)x ≤ -1

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