Explicit formulas for arithmetic sequences - Khan Academy
https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:sequences/x2f8bb11595b61c86:constructing-arithmetic-sequences/e/explicit-formulas-for-arithmetic-sequences
WebExplicit formulas for arithmetic sequences. Google Classroom. You might need: Calculator. Carlos and Ana were asked to find an explicit formula for the sequence − 10, − 4, 2, 8, … , where the first term should be f ( 1) . Carlos said the formula is f ( n) = − 10 + 6 n . Ana said the formula is f ( n) = − 10 + 6 ( n − 1) .
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