Grade 10 · Algebra 2
Sequences & series
301 problems in this skill, each with a solver-verified answer key. Answers are checked the moment you submit — with a hint if you want one and a worked solution afterwards.
What the problems look like
A few statements from this skill. Answers, hints and worked solutions live in the practice session.
Warm-up
Find the sum of the first 10 terms of the arithmetic sequence with first term 3 and common difference 5.
Warm-up
Find the sum of the first 5 terms of the geometric sequence with first term 2 and common ratio 3.
Warm-up
Find the 12th term of the arithmetic sequence defined by a_n=7+4(n-1).
Problems shown under their original terms: Generated (solver-verified).
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