Math Problem Statement
Solution
To find the term of this arithmetic sequence, we need the following steps:
Step 1: Identify the common difference ()
The terms are:
The difference between consecutive terms is:
This is the common difference.
Step 2: Find the first term ()
The first term is:
Step 3: General formula for the term
The formula for the term of an arithmetic sequence is:
Substitute and :
Simplify:
Final Answer:
The term rule is:
Would you like me to explain any part of this further or provide examples?
Related Questions:
- How do you derive the term rule for a geometric sequence?
- What is the difference between an arithmetic and geometric sequence?
- How can you calculate the sum of the first terms in an arithmetic sequence?
- What happens if the common difference () is negative in an arithmetic sequence?
- How would you find the term number () for a given value in an arithmetic sequence?
Tip:
To confirm your term rule, substitute values of (e.g., ) and check if they match the sequence terms.
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Math Problem Analysis
Mathematical Concepts
Arithmetic Sequences
Linear Relationships
Algebra
Formulas
T_n = a + (n-1) * d
Theorems
Arithmetic sequence nth term formula
Suitable Grade Level
Grades 7-9
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