Tag Archives: rational expressions

Rational Expressions and Equations

What is a Rational Expression?

A rational number is a number that can be written as a quotient of integers.  In other words, it’s any number that can create a nice and neat fraction. A rational expression is also a quotient, it’s just made up of polynomials. A rational expression can be written in the form P/Q. For example:

Evaluating Rational Expressions

Rational expressions have different numerical values depending on what values replace the variables. For example:

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