Sequences and Series Review

The explicit formula is used to find a specific term in a sequence.

• True
• False

Tags

CCSS.HSF.BF.A.2

The recursive formula can only be used if you know the previuos term

• True
• False

Tags

CCSS.HSF.BF.A.2

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.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

Tags

CCSS.HSF.LE.A.2

What is the explicit rule for the sequence:
4, 12, 36, ...

• a_n = 4/3(3)ⁿ
• a_n = 4x3
• a_n = 2(3)ⁿ

Tags

CCSS.HSF.LE.A.2

Is the sequence 2, 4, 12, 48,... geometric?

• yes
• no

Tags

CCSS.HSF.BF.A.2

Is the sequence arithmetic: 17, 9, 1, -7, ...

• Yes
• No

Tags

CCSS.HSF.BF.A.2

Find the common difference: -34, -29, -24, -19, ...

• d = -5
• d = 5
• d = -6
• d = 6

Tags

CCSS.HSF.BF.A.2