Mathematics GCSE
Powers and roots in scale-factor problems
What Powers and roots in scale-factor problems means in Mathematics GCSE, as defined for AQA.
Definition of Powers and roots in scale-factor problems
Check what you remember
Read the wording for your board, then hide it and explain Powers and roots in scale-factor problems in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
To find a length scale factor from an area ratio, take the square root; from a volume ratio, take the cube root.
Topics that use Powers and roots in scale-factor problems
- Ratio, proportion and rates of change (AQA GCSE)
Related terms
- Algebraic rearrangement of compound-unit formulae
- Checking the reasonableness
- Chord versus tangent
- Comparing quantities of the same kind
- compound interest
- Compound Measure
- compound unit
- constant of proportionality
Using Powers and roots in scale-factor problems 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.
Practise Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Mathematics GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge