Arithmetic Sequences and Series
Infinite Sequences and Series
Sigma Notation and the nth Term
100
Find the next four terms in the arithmetic sequence: 5, -1, -7
What is -13, -19, -25, -31 formula used: a2 - a1 = d
100
Find the limit: lim (9n^3 + 5n - 2) / 2n^3
What is 9/2
100
Write each expression in expanded form and then find the sum: 5 ∑5a a=2
What is 10 + 15 + 20 + 25
200
Find the sum of the first 26 terms in the series: - 19 - 13 - 7
What is 1456 Formula(s) used: a1 - a2 = d Sn = (n/2)[(2a1 + (n - 1)d]
200
Find the sum of the series: 10 + 5 + 2.5 + ...
What is 20 Formula(s) used: Sn = (1 - r^n) / (1 - r)
200
Express each series using sigma notation: 6 + 9 + 12 + 15
What is 4 ∑(3k + 3) k=1
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