Sequences Review

What is the common difference:
-2, -11, -20, -29...

• Every Number
• 9
• -2
• -9

Tags

CCSS.HSF.BF.A.2

What is the next term:
6, 12, 18, 24...

• 30
• 32
• 34
• 6

Tags

CCSS.2.NBT.A.2

Which sequence is represented by the explicit formula a_n = 2(7)^n-1 ?

• 7, 14, 28, 56...
• 2, 9, 16, 23...
• 2, 14, 98, 686...
• 7,9,11,13...

Which sequence is arithmetic?

•  4, 8, 16, 32, 64, ...
• 4, 6, 10, 12, 16, ...
•  4, 1, -2, -5, -8, ...
• 4, 2, 1, 1/2, 1/4, ...

Tags

CCSS.HSF.BF.A.2

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

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

Tags

CCSS.HSF.BF.A.2

Determine whether the sequence is arithmetic, geometric, or neither:
-4, 1, 6, 11, ...

• arithmetic
• geometric
• neither

Tags

CCSS.HSF.BF.A.2

Determine whether the sequence is arithmetic, geometric, or neither: 
2, 8, 32, 128, ...

• arithmetic
• geometric
• neither

Tags

CCSS.HSF.BF.A.2

What is the explicit formula for the following sequence? 
2, 8, 14, 20, ...

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

Describe the sequence
1, 4, 9, 16,...

• Arithmetic with a difference of 3.
• Geometric with a ratio of 4.
• Arithmetic with a difference of 7.
• Neither arithmetic or geometric.

Calculate the final sum/total of the series.

• 6
• 21
• 9
• 2