OFSA for Series and Sequences


This page contains peer generated questions that help you assess your understanding. Remember that questions may not represent the rigor of the questions you may be expected to complete on formal assessments. This page is simply an OFSA - opportunity for self assessment.

Question 1
What's the interval over which this infinite series converges?


A) x > -7 or x < -1
B) x > -7
C) x < -1
D) -1 < x < 1

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Question 2
What's the explicit geometric rule for 10, -5, 2.5, -1.25, ... ?

A)

B)

C)

D)


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Question 3
Given the rule of:

Find the sum of the first 11 terms (calc. okay).

A) 175,009
B) 264,353
C) 2,049
D) 125,635

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Question 4
Find the nth term of the sequence
1, -8, 27, -64...






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Question 5
Find the 4th term of the recursive sequence

where a1=4

A) 50
B) 152
C) 458
D) 14
E) none of those

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Question 6
Compute the sum






E) none of those

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Question 7
Compute the sum









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Question 8
Find the sum of the infinite series



A) 3
B) 4
C) 6
D) 3/2 or 1.5
E) none of those

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Question 9

A) 797
B) 801
C) 805
D) 809
E) None of these.

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Question 10
Calculate the sum of the series:
3 + 5 + 7 + · · · + 101
A) 2598
B) 2600
C) 2602
D) 2604

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Question 11
Find the sum of the first 10 terms of the geometric sequence:
1, 3, 9, 27, . .

A) 29,524
B) 9,841
C) 88,573
D) 31,53

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Question 12
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Question 13
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Question 14
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Question 15
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Question 16
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Question 17
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Question 18
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Question 19
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Question 20
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Question 22
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Question 23
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Question 24
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