Exponents: Rational exponents

Exponents: Rational exponents

Lessons

Notes:
nx=x1n{^n}\sqrt{x}=x^{\frac{1}{n}}
x1n=1x1n=1nxx^{-\frac{1}{n}}=\frac{1}{x^{\frac{1}{n}}}=\frac{1}{{^n}\sqrt{x}}
xmn=nxmx^{\frac{m}{n}}={^n}\sqrt{x^m}
  • 2.
    Simplifying Expressions Using: nx=x1n{^n}\sqrt{x}=x^{\frac{1}{n}}
    Simplify the following expressions if possible.
    • b)
      (16)14(-16)^{\frac{1}{4}}
      (32)15(-32)^{\frac{1}{5}}
  • 3.
    evaluate:
Teacher pug

Exponents: Rational exponents

Don't just watch, practice makes perfect.

We have over 2470 practice questions in Pre-Calculus for you to master.