**Helpful Links**Mark Scheme**

**Working**

Here is a sequence of patterns made with counters.

a) Find an expression, in terms of

*n*, for the number of counters in pattern number*n*.Bayo has 90 counters.

b) Can Bayo make a pattern in this sequence using all 90 of his counters?

You must show how you get your answer.

**Question**

*Click here for a printable PDF of this question.*

18)

Here is a sequence of patterns made with counters.

a) Find an expression, in terms of

*n*, for the number of counters in pattern number*n*.**[2 marks]**

Bayo has 90 counters.

b) Can Bayo make a pattern in this sequence using all 90 of his counters?

You must show how you get your answer.

b) Can Bayo make a pattern in this sequence using all 90 of his counters?

You must show how you get your answer.

**[2 marks]**