The fourth term of an arithmetic sequence is 12 and the tenth term of the sequence is 42.
Find the first term of the sequence.
Find the common difference.
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.