1)

a) Yes – 6^{th} term

b) Yes – 9^{th} term

c) Yes – 15^{th} term

2)

a) Yes – 3^{rd} term

b) No

c) Yes – 10^{th} term

3)

a) No

b) Yes – 1^{st} term

c) Yes – 27^{th} term

**Working**

**Questions**

1) The nth term expression for a sequence is 3

*n*+ 2.

a) Is 20 in the sequence? If it is, what term is it?

b) Is 29 in the sequence? If it is, what term is it?

c) Is 47 in the sequence? If it is, what term is it?

2) The nth term expression for a sequence is 5

*n*– 7.

a) Is 8 in the sequence? If it is, what term is it?

b) Is 52 in the sequence? If it is, what term is it?

c) Is 43 in the sequence? If it is, what term is it?

3) The nth term expression for a sequence is 30 – 2

*n*.

a) Is 21 in the sequence? If it is, what term is it?

b) Is 28 in the sequence? If it is, what term is it?

c) Is -24 in the sequence? If it is, what term is it?