sequences

Find the next three sequences

2 3 5 8 13 ___ ___ ___

(a)  

Write down the nth term of the sequence 5, 9, 13, 17,...

• 4n

• 4n + 1

• 4n + 2

• 4n - 1

Is this sequence a linear or a quadratic sequence.Justify your answer.

1 4 9 16 25

Answer explanation

It is a quadratic sequence because the second difference is constant.

If the general term of a sequence is 2n - 1,

find the 30th term

• 49

• 59

• 60

• 31

Find the nth term of the sequence

3 9 19 33 51

Find Tn of the sequence 5,10,15,20,...

• 5n + 1

• 5n

• 5n + 3

• 5n - 1

Is the sequence 4 8 12 16 ... geometric?

• Yes

• No

 

What is the nth term of the quadratic sequence

-1, 11, 31, 59, 95, 139, ...

Arithmetic sequences are generated using repetitive ________________.

• addition and subtraction

• multiplication and division