Patterns and Arithmetic Sequences

What is the rule?

• Add 2
• Add 3
• Multiply by 3
• Multiply by 4

Which of the following shows the rule of the given table?

• divided by 2

• add 2

• multiply by 2

• subtract 2

Create the explicit formula for the sequence:
2, 8, 14, ...
(Hint:  Write your formula and then simplify it.)

• a_n=2+6n
• a_n=-6+6n
• a_n=6n-4
• a_n=4-6n

Find the common difference: 29, 21, 13, 5, ...

• d = -10
• d = -9
• d = -8
• d = -7

Find the common difference: 1, 201, 401, 601, ...

• d = 100
• d = 101
• d = 200
• d = 201

Is the sequence arithmetic: 37, 31, 25, 19, ...

• Yes
• No