Mathematics 0580 · IGCSE · Sequences

Sequences — practice question

(a)[2]

The $n$th term is $10 - n^2$. Write down the first three terms of this sequence.

(b)[2]

Find an expression for the $n$th term of this sequence.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$9$, $6$ and $1$.” …