4MA0 Higher June 2016 Paper 4 Q1
1 Here are the first five terms of an arithmetic sequence.
7 10 13 16 19
Find an expression for the \(n\)th term of the sequence.
(2)
| Scheme | Marks |
|---|---|
| M1 | |
| \(3n + 4\) | A1 |
| (2) |
Notes
M1: For \(an + 4\) where \(a\) is an integer and \(a \neq 0\) or for \(3n + b\) where \(b\) is an integer
A1: Fully correct expression
ScB1 for \(n = 3n + 4\)
ScB1 for \(3t + 4\), etc.