Arithmetic Sequencing and the Interest

Identify the common difference.
3, 7, 11, 15, ...

• 6
• 5
• 4
• 2

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

The next two terms of the sequence 4,7,10,13 are ....

• 16 and 19
• 15 and 19
• 16 and 18
• 15 and 18

What is the 15th term of the sequence an = -3n+50

• 95
• -5
• 5
• -95

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

• Yes
• No

Find the 8th term in the sequence
3, 5, 7, 9, 11, ...

• 13
• 15
• 17
• 19

Find the missing terms of the arithmetic sequence:
145, ___, ___, ___, 205

• 160, 175, 190
• 165, 185, 195
• 155, 165, 175
• 190, 175, 160

How many line segments will be added in the fifth term?

• 4
• 3
• 7
• 1

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 a₂₀ in the arithmetic sequence: 5, 12, 19, 26...

• 145
• 144
• 142
• 138