Inequalities

Inequalities are mathematical sentences comparing two quantities that are not equal (or possibly not equal). There are five inequality symbols:

x ≠ 3 x is not equal to 3
x < 3 x is less than 3
x > 3 x is greater than 3
x 3 x is less than or equal to 3
x 3 x is greater than or equal to 3

See also solving linear inequalities.