Mathematics 0580 · IGCSE · Sequences

Sequences — practice question

(a)[3]

Write down and solve an inequality involving $n$.

(b)[3]

Find the value of $y$ when $x = 5$.

(c(i))[2]

Find the $n$th term of the sequence: $4, 2, 0, -2, -4, \ldots$

(c(ii))[2]

Find the $n$th term for the sequence: $1, 7, 17, 31, 49, \ldots$

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Form the inequality” …