Arithmetic sequences
Geometric sequences
Partial sums
Geometric series
Arithmetic series
100
The next term in this arithmetic sequence
3, 7.5, 12, ...
What is 16.5?
100
The next term in the geometric sequence
2/3, -4/9, 8/27, ...
What is -16/81?
100
The name for a notation that uses this sign
What is sigma notation?
100
The geometric series formula.
What is 
?
100
The arithmetic series formula.
What is 
?
200
The 4th term in the sequence, given by the formula
c(n)=-5+6(n-1)
(no calculator allowed)
What is 13?
200
The 3rd term in the sequence, given by the formula
ai=2(-4)i-1
(no calculator allowed)
What is 32?
200
The sigma notation for the following series:
3+4+5+...+99
What is
200
The formula for a geometric mean.
What is 
?
200
The total value of the series
2+4+6+...+100
What is 2550 ?
300
The specific term that a(n-1) represents.
What is the term that comes before the nth term?
300
a1=-3
Common ratio= -5
The third term of the sequence.
(no calculator allowed)
What is -75?
300
The type of series that can be a limit to a partial sum.
What is an infinite series?
300
The formula for an infinite geometric series.
What is 
?
300
The number of terms in this series
1+3+...+503
What is 251?
(503-1)/2=251
400
a1=-14
Common difference = 3
The third term of the sequence.
(no calculator allowed)
What is -8?
400
The recursive formula for the sequence 3, -6/5, 12/25, ...
What is
400
The value of a7 from the partial sum
given that
What is 27/28?
400
The sum of the first 7 terms in the geometric series
2048-1024+512-...
What is 1376?
r=-1/2
400
The sum of the first 600 terms in a sequence given that:
ai=ai-1+10
a1=2
What is 1,798,200?
a600=2+599(10)=5992
S600=600[(2+5992)/2]=1,798,200
500
The explicit formula for the sequence 2, 9, 16, ...
What is 2+7(n-1)?
500
The explicit formula, given that:
a2=-40
r=-8
What is 5(-8)i-1 ?
500
The rule for an of the partial sum given by
What is 27/28?
500
The sum of the finite geometric series
1-0.99+0.992-0.993+...-0.9999
rounded to the nearest thousandth.
What is 0.319?
S100=
500
The sum to this series
What is 330550?