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Chapter 6 Vocabulary
Chapter 6 math vocab
| Term | Definition |
|---|---|
| nth root | when bn = a for an integer n greater than 1, b is the nth root of a |
| exponential function | a function of the form y = ab x , where a doesn’t equal 0, b doesn’t equal 1, and b > 0. |
| exponential growth | when a quantity increases by the same factor over equal intervals of time. |
| exponential growth function | a function of the form y = a(1 + r)t , where a > 0 and r > 0. |
| exponential decay | when a quantity decreases by the same factor over equal intervals of time. |
| exponential decay function | a function of the form y = a(1 - r)t , where a > 0 and 0 < r < 1. |
| compound interest | interest earned on the principal and on previously earned interest. |
| geometric sequence | a sequence in which the ratio between consecutive terms is the same; this ratio is called the common ratio. |
| common ratio | the ratio between consecutive terms of a geometric sequence. |
| recursive rule | gives the beginning term(s) of a sequence and an equation that indicates how any term an in the sequence relates to the previous term. |
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