sequences review

What is the 7th term for the rule: 
f(n) = 3(0.8)^n-1

• 0.786
• 0.629
• 14.4
• 2.4

What is the explicit rule for the sequence: 11, 22, 44, 88

• a_n = 2(11)^n-1
• a_n = 11x2
• a_n = 11(2)^n-1

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

• 30
• 32
• 34
• 6

What is the explicit formula for the following sequence: 3, -1, 1/3, -1/9,... 

• a_n = 1/3 ⋅ (3)^n-1
• a_n = 3 ⋅ (1/3)^n-1
• a_n = -1/3 ⋅ (3)^n-1
• a_n = 3 ⋅ (-1/3)^n-1

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

• arithmetic
• geometric
• neither

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

Given the formula f(n+1) = f(n) - 3, f(1) = 20, name the first 3 terms. 

• -3, 0, 3
• -3, 17, 37
• 20, 23, 26
• 20, 17, 14

Given the sequence:

25, 21, 17, 13,...

Write the explicit equation that models the sequence.

• t(n) = 4n + 29

• t(n) = -4n + 25

• _t(n) = -4n + 29

• t(n) = 4n + 25

What is the 14th term of the geometric sequence?

• 14,348,907
• 4,782,969
• 1,594,323
• 45

Tags

CCSS.HSF.BF.A.2

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.