Definition of Rational Equation

If the power or the exponent raised on a number is in the form where q ? 0, then the number is said to have rational exponent. For example:

More About Rational Equation

  • All the radical numbers have rational exponent.
  • and is also called as nth root of am

Video Examples: Rational Exponents

Examples of Rational Exponents

    In the expressionis the rational exponent.
    can also be written as and is the rational exponent.

Solved Example on Rational Exponents

Ques: Identify the rational exponential expression of

    A. 22
    B. 24
    C. 43
    Correct Answer: D


    Step 1: [Convert radical expression to rational exponent expression.]
    Step 2: The rational exponential notation for the expression