Math Problem Statement
the 3rd term of an arithmetic sequence is -12,and the 7th term is eight. what is the 20th term?
Solution
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Math Problem Analysis
Mathematical Concepts
Arithmetic Sequences
Linear Algebra
Formulas
General term of an arithmetic sequence: a_n = a_1 + (n-1) * d
Theorems
Arithmetic Sequence Formula
Suitable Grade Level
Grades 8-10
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