Sequences and series

Evaluate the infinite series described: 

• 3/5
• 1/2
• 1/4
• No Sum

Evaluate the infinite series described: 

• No Sum
• 1
• 6
• 3

Evaluate the infinite series described: 

• No Sum
• 32/3
• 2/3
• 34/3

A series begins: 4, 7, 10 ... What is the 23rd value?

• 33

• 69

• 73

• 70

For the series: 12, 13.1, 14.2... what is the sum of 13 values?

• 483.6

• 163.8

• 248.95

• 241.8

Identify the arithmetic series:

• 2.3, 2.95, 3.6...

• 0.1, 0.2, 0.4...

• 1.5, 2.25, 3.375...

• -6, -13.5, -20.25...

If a geometric series has 36 and 54 as the 2nd and 3rd terms, what are the first and fourth?

• 18 and 72

• 24 and 81

• 18 and 81

• 24 and 81

Write the first five terms of the arithmetic sequence with the following recursive formula: t₁ = 12; t_n = t_n-1 + 11

• 12, 23, 34, 45, 56
• 12, 22, 33, 42, 52
• 23, 34, 45, 56, 67
• 12, 13, 14, 15, 16

Find the 25th term of the arithmetic sequence if a₁ = 5 and d = 0.5

• 18
• 17
• 15
• 14

Tags

CCSS.HSF.BF.A.2

The sum of the first 11 terms of an arithmetic sequence with a first term of 28 and a common difference of 6

• 550
• 638
• 610
• 288