Sequences

4, 8, 12, 16, 20...

The above sequence is

• Geometric

• Quadratic

• Arithmetic

• Triangular

The nth term of this sequence

3, 7, 11, 15, 19...

is

• 3n + 4

• 3n - 4

• 4n - 1

• 4n - 3

4, 20, 100, 500

This sequence is:

• Quadratic

• Geometric

• Linear

• Fibonacci

4, 20, 100, 500

The nth term of this sequence is:

• 5n - 1

• $5\ \times4^{n-1}$

• 4n - 1

• $4\ \times\ 5^{n-1}$

2, 5, 8, 11, 14...

The nth term of this sequence is

• 2n + 3

• 3n + 2

• 4n

• 3n - 1

2, 5, 8, 11, 14...

The 20th term in this sequence is:

• 46

• 59

• 49

• 23

A quadratic sequence has the nth term

 $2n^2+4n\ -5$  
What are the first 3 terms?

• 1, 11, 25

• 1, 11, 18

• 6, 10, 18

• 1, 11, 21

1, 3, 6, 10, 15

This sequence is

• Arithmetic

• Geometric

• Quadratic

• Triangular

An arithmetic sequence has the nth term

11n + 4

What is the 7th term in the sequence?

• 22

• 81

• 121

• 11

Is 33 a term in the sequence described by the nth term 5n -6

• Yes

• No

• It depends