AQA GCSE Mathematics · 8300
Specification A25 · Paper 1, Paper 2, Paper 3
Revise: Nth TermIn a linear sequence, the change from one term to the next is constant.
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GCSE Mathematics · key term
A sequence whose nth term can be written in the form , where and are constants.
Used by AQA and Edexcel
Specification A25 · Paper 1, Paper 2, Paper 3
Revise: Nth TermIn a linear sequence, the change from one term to the next is constant.
Specification A25 · Paper 1, Paper 2, Paper 3
A sequence with a constant first difference and an nth-term expression of the form .
Revise: Nth TermIn a linear sequence, the difference between consecutive terms is constant.
For a linear sequence, use the signed common difference: a decreasing sequence gives a negative coefficient of .
For a linear sequence, do not use the first term as the coefficient of . The coefficient is the common difference.
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