Mathematics A-Level
Common difference and linear structure
What Common difference and linear structure means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Common difference and linear structure
Check what you remember
Read the wording for your board, then hide it and explain Common difference and linear structure in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
An arithmetic sequence adds a constant common difference d to each term, so a, a + d, a + 2d, ...; d may be negative or a fraction.
Topics that use Common difference and linear structure
- Sequences and series (Pearson Edexcel A-Level)
Related terms
- Finite versus infinite binomial series
- Forming and solving equations in n
- nth term formula
- periodic sequence
- Series
- Validity condition
- Arithmetic
- Convergence and sum to infinity
Using Common difference and linear structure 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