Sequences

Term-to-term rule

100

Find the term-to-term rule of the following lineair sequence:

3  6  9  12  15  ...

Add 3

200

Find the term-to-term rule of the following linear sequence:

14 11  8  5  2  -1  -4  ...

Substruct 3

300

Find the term-to-term rule of the following linear sequence:

-11   -6   -1    4    9    14   ...

Add 5

400

The first term of a sequence is 6. The term to term rule is "subtract 4".

Write down the first four terms of this sequence.

6   2   -2   -6   -10  ...

500

The first term of a sequence is 321. The term to term rule is "Add 5".

Write down the first four terms of this sequence.

321  326  331  336  341  ...

Position-to-term rule

100

5   7   9   11   ...

The position to term rule for this sequence is:

term = 2 x position + 3

True

200

2   5   8   11   ...

The position to term rule for this sequence is:

term = 3 x position + 1

False

It's: term = 3 x position - 1

300

1  5  9  13  ...

Complete the Position to term rule of this sequence:

term = ... x Position - 3

term = 4 x Position - 3

400

9  13  17   21  ...

Complete the Position to term rule of this sequence:

term = 4 x Position ...

term = 4 x Position - 3

500

6  8  10  12  ...

Find the position to term rule of this sequence.

term = 2 x Position + 4

nth term

100

term = 1 x position - 3

is

n^th term = 1 + n x 3

False 

n^th term = 1 x n - 3

200

term = 4 x position + 1

is

n^th term = 4n + 1

True

300

Congarts

Free 300 points

300

400

3 x 2 -1 = 2nd position term.

How about 3 x 4 - 1 ?

4th position term

500

Give the 3 first terms of the following position to term rules:

1) nth term = 4n-3

2) nth term = 5n + 2

1) 1  5  9

2) 7  12  17