3.1 Arithmetic Sequences

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A sequence $u_1, u_2, u_3, \dots\,$ is defined by

\begin{aligned}u_1 &= 8 \\u_{n+1} &= u_n + k, \quad n \geq 1\end{aligned}

Given $u_5 = 32$

Find the value of $k$ .

[3]

Find an expression for $u_n\,$ in terms of $n$ .

[2]

3.1 Arithmetic Sequences Questions

Practise Edexcel A Level Maths 3.1 Arithmetic Sequences with exam-style questions for A Level Maths. 6 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.