Arithmetic Sequences

Arithmetic Sequence or No?

100

8,10,12,14,16

Yes

200

2,6,10,16,22,26

No

300

4.2 , 4.5 , 4.8 , 5.1 , 5.4

Yes

400

4,8,16,32,64

No

500

-7 , -11 , -15 , -19

What is arithmetic

What is the common difference?

100

5,8,11,14,17

What is 3

200

-8, -3, 2, 7, 12

What is 5

300

200,180,160,140,120, ...

What is -20

400

2 , -5 , -12 , -19 , ...

What is -7

500

-11 , -7 , -3 , 1 , ...

What is 4

Find the nth term...

100

Find the 8^th term, given a=2+3n

What is 26

200

Find the 20^th term given a=-8+5n

What is 92

300

Find the 6^th term given a=-7-3n

What is -25

400

Find the 5^th term given a=-2-3n

What is -17

500

Find the 12^th term given a=-7+9n

What is 101

Up in the air...

100

Identify the common difference in the formula: a=7-4n

What is -4

200

Identify the 0 Term in the arithmetic sequence formula: a=5+3n

What is 5

300

Write a formula for the sequence: 7,3,-1,-5

What is a=11-4n

400

Write a formula for the sequence:  17 , 12 , 7 , 2 , ...

What is a=22-5n

500

Write a formula for the sequence:  3 , -5 , -13 , -21 , ...

What is a=11-8n