Math Problem Statement
The third term of an arithmetic sequence is -8, and the sum of the first 10 terms of the sequence is -230. Find: a the first term of the sequence b the sum of the first 13
Solution
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Math Problem Analysis
Mathematical Concepts
Arithmetic Sequences
Linear Equations
Summation
Formulas
Arithmetic sequence nth term formula
Sum of an arithmetic sequence formula
Theorems
-
Suitable Grade Level
High School