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

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

A)

B)

C)

D)

Click here for solution. 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

Click here for solution. Question 4 Find the nth term of the sequence
1, -8, 27, -64...

Click here for solution. 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

Click here for solution. Question 6 Compute the sum

E) none of those

Click here for solution. Question 7 Compute the sum

Click here for solution. Question 8 Find the sum of the infinite series

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

Click here for solution. 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

Click here for solution. Question 12
Click here for solution. Question 13
Click here for solution. Question 14
Click here for solution. Question 15
Click here for solution. Question 16
Click here for solution. Question 17
Click here for solution. Question 18
Click here for solution. Question 19
Click here for solution. Question 20
Click here for solution. Question 22
Click here for solution. Question 23
Click here for solution. Question 24
Click here for solution.

## 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 1What'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

Click here for solution.

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

B)

C)

D)

Click here for solution.

Question 3Given 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

Click here for solution.

Question 4Find the nth term of the sequence1, -8, 27, -64...

Click here for solution.

Question 5Find the 4th term of the recursive sequencewhere a1=4A) 50

B) 152

C) 458

D) 14

E) none of those

Click here for solution.

Question 6Compute the sumE) none of those

Click here for solution.

Question 7Compute the sumClick here for solution.

Question 8Find the sum of the infinite seriesA) 3

B) 4

C) 6

D) 3/2 or 1.5

E) none of those

Click here for solution.

Question 9A) 797

B) 801

C) 805

D) 809

E) None of these.

Click here for solution.

Question 10Calculate the sum of the series:3 + 5 + 7 + · · · + 101

A) 2598

B) 2600

C) 2602

D) 2604

Click here for solution.

Question 11Find 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

Click here for solution.

Question 12Click here for solution.

Question 13Click here for solution.

Question 14Click here for solution.

Question 15Click here for solution.

Question 16Click here for solution.

Question 17Click here for solution.

Question 18Click here for solution.

Question 19Click here for solution.

Question 20Click here for solution.

Question 22Click here for solution.

Question 23Click here for solution.

Question 24Click here for solution.