Sequences and Functions

Describe the pattern. 6,13,20,27

• add 18

• add 7

• multiply x2

• subtract 8

Describe the pattern. 8,4,2,1...

• Multiply by -2

• Multiply by 0.5

• Multiply 2

• Add 0.5

Describe the pattern. 10, 4, -2,-8

• Add -6

• Add 3

• Subtract 8

• Multiply x2

Find the next 2 terms. 2, 20, 200, 2000...

• 22,000

• 20,000 , 22,000

• 20, 20,000

• 20,000 , 200,000

Find the next 2 terms. 99,88,77,66...

• 44,55

• 55, 44

• 54,45

• 54,32

Find the next 2 terms. 2,6,10,14

• 18,22

• 17,22

• 18, 23

• 16,22

Tell whether the sequence is arithmetic.

-7,-3,1,5

• yes

• no

Tell whether the sequence is arithmetic.

19,8,-3,-14

• yes

• no

Tell whether the sequence is arithmetic.

2,11,21,32

• yes

• no

Tell whether the sequence is arithmetic.

10,8,6,4

• yes

• no