The practice of treating one group of people differently from another in an unfair way

The magnitude of a real number without regard to its sign.

A system in which information can be expressed by combinations of the digits 0 and 1.

A radical expression is a straight line that can be horizontal, vertical, or oblique and goes closer and closer to a curve which is the graphic of a given function.

The algebraic function can be defined as the root of a polynomial equation.

Add is an expression that contains a square root.