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Back to Write arithmetic and geometric sequences — Problem 1 · Task Set 36

Exercises: Write Arithmetic and Geometric Sequences Recursively and Explicitly

Work through each section in order. For any sequence, always verify your formula by computing the first term.

Grade 9·21 problems·~28 min·Common Core Math - HS Functions·group·hsf-bf-a-2
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Fluency Practice

1.

An arithmetic sequence has a1=3a_1 = 3 and d=5d = 5. Using the explicit formula an=a1+(n−1)da_n = a_1 + (n-1)d, find a10a_{10}.