Sequences & Intro to Arithmetic Series

What are the next 3 terms in this sequence of terms?     3, 7, 11, 15

• 18, 22, 26
• 19, 21, 23
• 19, 23, 27
• 18, 21, 24

Tags

CCSS.2.NBT.A.2

Find the EXPLICIT arithmetic sequence formula for the following data set: 2, 4, 6, 8...

• 2n
• 2n - 2
• 2n + 4
• 4n

Tags

CCSS.HSF.BF.A.2

Find the 16th term.

• 16
• 31
• 25
• 35

Tags

CCSS.HSF.BF.A.2

Find the 22nd term. a₁=10, d=5

• 115
• 200
• 10
• 220

Tags

CCSS.HSF.BF.A.2

What is the common ratio for the sequence:
28, 14, 7, 3.5...

• 2
• 1/2
• -14
• -7

Tags

CCSS.HSF.BF.A.2

Find the next three terms: 4, 12, 36, 108, ...

• 324, 972, 2916
• 972, 2916, 8748
• 405, 1215, 3645

Tags

CCSS.HSF.BF.A.2

Given the sequence:
125, 25, 5, ....
Write the explicit rule:

•  y = (125)(5)^(x)
•  y = 125(1/5)^(x)
•  y = 625(5)^(x)
•  y = 125 + 5x

Is this sequence arithmetic, geometric, or neither?
1,2,4,7,11,16,22,...

• arithmetic
• geometric
• neither
• none of the above

Tags

CCSS.HSF.BF.A.2

Which of the following recursive formulas represents the given sequence.

7, 14, 28, 56, 112, ...

Tags

CCSS.HSF.IF.A.3

Write a recursive formula for the following sequence:

16,8, 4, 2,...

• a₁=16

  a_n=a_n-1 (2)

• a₁=16

  a_n=a_n-1 (1/2)

• a₁=16

  a_n=a_n-1 + (1/2)

• a₁=16

  a_n=a_{n-1 +} (2)

Tags

CCSS.HSF.BF.A.2