Sequences and series

Is this sequence arithmetic, geometric, or neither?
{26, 22, 18, 14, ...}

• Arithmetic
• Geometric
• Neither

Tags

CCSS.HSF.BF.A.2

What is the 8th term in the sequence below?
3, 9, 27, 81, ...

• 19,683
• 6,561
• 2,187
• 729

Tags

CCSS.HSF.BF.A.2

You have $10 in you bank account. It doubles every month. How much money will you have after 5 months?

• $50

• $35

• $160

• $250

Find the 22nd term of the following sequence:
5, 8, 11, ...

• 14
• 68
• 63
• 71

Tags

CCSS.HSF.BF.A.2

Determine whether the sequence converges or diverges. If it converges, give the sum.

• Diverges

• Sum of -2

• Sum of 1000

Determine whether the sequence converges or diverges. If it converges, give the limit.

• Diverges

• Sum of 58

• Sum of 96

Find an explicit rule for the nth term of the sequence. (Choose all that apply.)

• a_n= 15+(n-1)4

• a_n= -15+(n-1)4

• a_n= -15+(n-1)3

• a_n= 4n -19

Find an explicit rule for the nth term of the sequence.

• a_n= 7(-1)^n-1

• a_n= -7(1)^n-1

• a_n= 7(-1)ⁿ

• a_n= 7(1)^n-1

Tags

CCSS.HSF.BF.A.2

Evaluate the series.

• 36
• 85
• 35
• 86

Tags

CCSS.HSA.SSE.A.1

What is the sum of the first ten terms of the sequence 4, -12, 36, -108 . . . ?

• 59,050

• -59,048

• -78,732

• 118,096