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GCSE Mathematics · key term
A feature or quantity that remains unchanged under a transformation.
Used by OCR
Specification 9.01d · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
Revise: Combined TransformationsAn invariant property is something that does not change.
Distinguish an invariant property from an invariant point: a length may stay unchanged even though both endpoints move.
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