Geometric Sequences
Arithmetic Sequence
Sequences
Sigma Notation
100
A sequence of the form a, ar, ar^2, ar^3, ar^4..... where a is the first term and r is the common ratio of the sequence
What is a geometric sequence?
100
The first term of the sequence
What is the "a" in the formula: a, a + d, a + 2d, a + 3d,a + 4d....
100
First 5 terms in An= n^2-1
What is 0,3,8,15,24
100
Sum when n=10(sigma) k=5 (k)
What is 5+6+7+8+9+10=45 ?
200
a(subscript n) = ar ^(n-1)
What is the nth term of a geometric sequence?
200
The common difference of the sequence
What is "d" in the formula a,a + d,a + 2d, a + 3d,a + 4d....
200
The first 5 terms of An= n/(n+1)
What is (1/2),(2/3),(3/4),(4/5),(5/6)
200
Sum when n=6 (Sigma) k=1 (2)
What is 2+2+2+2+2+2=12
300
S(subscript n)= a ( (1-r^n) / (1-r) )
What is the n th partial sum of a geometric sequence?
300
The nth term of the arithmetic sequence
What does a+(n-1)d calculate
300
nth term of a sequence whose first several terms are 4, 7, 10, 13, ..
What is 3n+1
300
The sum of n=5(Sigma) k=1 (K^squared)
What is 55 (1+4+9+16+25)
400
a(subscript n) = (3)(2) ^(n-1)
What is 3, 3*2, 3*2^2, 3*2^3 written as the nth term of a geometric sequence?
400
The formula to find the nth partial sum
What does n[(a+an)/2] solve for
400
(n)th term of a sequence whose first several terms are given (1/10), (2/15), (3/20), (4/25), (5/30)
What is n/(5(n+1))
400
Sum when n=5 (Sigma) k=1 (1/k)
What is (47/60) (1/3 + 1/4 + 1/5)
500
2, -10, 50, -250, 1250....
What is a(subscript n) = (2) (-5)^(n-1)?
500
Another formula to find the nth partial sum
What is n/2[2a+(n-1)d]
500
First four partial sums of (1/2), (1/4), (1/8), ...
What is 1/2, 3/4, 7/8, 15/16
500
Sum in sigma notation: 1^3+ 2^3 + 3^3 + 4^3 + 5^3 + 6^3 + 7^3
What is n=7 (sigma) k=1 (K^3)
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