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GCSE Mathematics · key term
A statement that two expressions are equal; it may be true only for particular values of its variables.
Used by AQA, Edexcel and OCR
Specification A3, A6, A17, A21 · Paper 1, Paper 2, Paper 3
A statement using an equals sign to say that two expressions have the same value; it may be true only for particular values of its variables.
Revise: Algebraic VocabularyAn equation states that two expressions have equal values, so it contains an equals sign.
Classify a statement by its mathematical role, not just by the letters it contains: a formula is also an equation, but it specifically expresses a relationship between variables.
Use for an equation or formula. Use when explicitly stating that two expressions are identical for every permissible value of their variables.
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A mathematical statement saying that two expressions have the same value, shown using an equals sign.
A mathematical statement showing that two expressions have equal values.
Specification A3, A6, A21 · Paper 1, Paper 2, Paper 3
A statement that two expressions are equal; its solutions are the values that make the statement true.
Revise: Algebraic VocabularyAn equation states that two expressions have the same value.
A mathematical statement that says two expressions have the same value, usually for particular value or values of the variable.
A mathematical statement saying that two expressions are equal.
Specification 6.01a, 6.03a · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
A statement that two expressions have equal values. It may be true only for particular values of its variables.
Revise: Algebraic Proofs and TermsAn equation states that two expressions are equal.
A mathematical statement showing that two expressions have the same value.
First decide whether there is an equality sign. With no equality sign, the object is an expression rather than an equation or identity.