PreCalc 10.1 Reading Quiz - Sequences & Summation

-21, -16, -11, -6, ...

Is this sequence arithmetic, geometric, or neither?

• arithmetic (common difference d = 5)

• geometric (common ratio r = 5)

• neither

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CCSS.HSF.BF.A.2

This summation is the same as which series?

• (1/4) + (1/5) + (1/6) + (1/7) + ...
• 4+5+6+7+8+...
• (1/4) + (2/4) + (3/4) + (4/4) + (5/4) + (6/4) + ...

Identify the common difference.
97, 86, 75, 64, ...

• 8
• 11
• -11
• -8

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CCSS.HSF.BF.A.2

The next term of the sequence 2,4,8,16 is

• 64

• 32

• 108

• 20

Tags

CCSS.HSF.BF.A.2

What is the answer?

• 20

• 40

• 2!

• 3!

Tags

CCSS.HSS.CP.B.9

What is the 100th term in the sequence a_n = 4n-12

• 388

• 40012

• -388

• 100

Tags

CCSS.HSF.BF.A.2

256, 128, 64, 32, ...

What's next?

• 24

• 18

• 16

• 8

Tags

CCSS.3.OA.D.9

Each individual number in a sequence of numbers is called what?

• Common difference
• Successive term
• Term
• Geometric term

Tags

CCSS.HSF.BF.A.2

Write the first five terms of the sequence

t_n= 9 − 3n

• 6, 3, 0, -3, -6

• 9, 12, 15, 18, 21

• 9, 18, 27, 36, 45

• I need tutoring

Tags

CCSS.HSF.BF.A.2

Given
a_n = 3(2)^(n-1),      
what are the first 4 term?

• 6, 12, 24, 48
• 3, 6, 12, 24
• 6, 18, 54, 112
• 18, 54, 112, 336

Tags

CCSS.HSF.BF.A.2