Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
The expression x^(1/3) represents the cube root of x. It is a fractional exponent that denotes taking the principal cube root of x.
Related terms
Radical: A radical is another term for a root, such as square roots (√) or cube roots (³√).
Rational exponent: A rational exponent is an exponent that is expressed as a fraction, indicating both an integer numerator and denominator.
Simplify: In mathematics, simplifying refers to reducing an expression or equation into its simplest form by combining like terms or applying mathematical rules.