Mathematics A-Level
equivalence
What equivalence means in Mathematics A-Level, as defined for WJEC.
Definition of equivalence
Check what you remember
Read the wording for your board, then hide it and explain equivalence in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
A two-way implication requiring both directions to hold.
Topics that use equivalence
Related terms
- Domain
- domain and range
- Function
- Identity
- Intersection
- inverse functions
- Logarithm
- mathematical idealisations
Using equivalence 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 A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge