Algebra › Section H · Roots and radicals › Topic H.3
Rational exponents
A root is an exponent wearing a disguise. Once you can read the costume - denominator for index, numerator for power - every exponent rule you already own starts working on radicals for free.
In this topic
- The costume, decoded
- Powers of roots: a to the m/n
- Worked example: evaluating rational powers
- Negative rational exponents
- Which form should you work in?
- The whole point: exponent rules on roots
- Worked example: combining across indexes
- Worked example: a power of a product
- Common mistakes to avoid
- Key takeaways
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