First difference
What First difference means in Mathematics GCSE, as defined for AQA, Pearson Edexcel.
Definitions of First difference
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Reference: Pearson Edexcel
The next term minus the current term: u_(n+1) − u_n for consecutive positions.
The next term minus the current term: Tₙ₊₁ − Tₙ.
Topics that use First difference
- Sequences (AQA GCSE)
- Algebra - Sequences (Pearson Edexcel GCSE)
Related terms
- coefficient of n²
- Common ratio
- Fibonacci-type sequence
- position-to-term rule
- quadratic sequence
- Second difference
- Sequence
- term-to-term rule
Using First difference in the exam
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