Algebra 1 · F-BF
Geometric Sequences — Explicit Formula
A geometric sequence multiplies by a constant ratio r each time. Explicit form a(n) = a₁ · rⁿ⁻¹.
Algebra 1Common Core HSF-BF.A.2F-BFVerified correct ✓
Worked examples
A geometric sequence has first term a₁ = 5 and common ratio r = 3. Find the 2th term.
Answer: 15
A geometric sequence has first term a₁ = 1 and common ratio r = 3. Find the 4th term.
Answer: 27
Every problem on Pounce is generated and checked by code — never a wrong answer key.
Master Geometric Sequences — Explicit Formula
Code-verified problems at exactly the right level, explained the way your kid learns.
Start your free trial 🐾