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Math
Arithmetic
Math Study Set
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Terms in this set (7)
Sequence
A function. Like 1, 2, 3, 4. Or 2, 4, 6, 8. Can be infinite
What does a(n) signify?
The current term being used in a formula. ex: a(3) is the third term
Arithmetic Sequence
A sequence where the difference between the terms is a constant number. Like 2, 3, or something like 15.
Geometric Sequence
A sequence with a common ratio. Like 3, 9, 27.
Geometric Formula
a(n) = a(1) * r^(n - 1)
Arithmetic Formula
a(n) = a(1) + (n - 1)d
What are the first 3 terms in a(n) = a(n-1) + n(3). a(1) = 4
4, 10, 19
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