Mathematics GCSE
roots and powers
What roots and powers means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of roots and powers
Check what you remember
Read the wording for your board, then hide it and explain roots and powers in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Roots sit alongside the index laws: when a is zero or greater, √a × √a = a, and the same idea extends to cube roots and higher roots.
Topics that use roots and powers
- Number - Structure and calculation (Pearson Edexcel GCSE)
Related terms
- Base
- cancelling common factors
- Circumference
- Counting without replacement
- denominator
- equivalent fractions
- Error interval
- estimating roots
Using roots and powers in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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