Math Problem Statement
If a_1 is 36 and the common difference is -7 what’s the general formula
Solution
The problem gives the first term and the common difference for an arithmetic sequence.
The general formula for the -th term of an arithmetic sequence is:
Substituting the given values and , we get:
Simplifying:
Thus, the general formula for the arithmetic sequence is:
Would you like more details or have any questions?
Here are 5 related questions:
- How do you find the sum of the first terms of this sequence?
- What is the 10th term of the sequence?
- How do you identify whether a number is part of this arithmetic sequence?
- How does the sequence behave as increases?
- How would the formula change if the common difference were positive?
Tip: In arithmetic sequences, each term differs from the previous one by a constant value called the common difference.
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Math Problem Analysis
Mathematical Concepts
Arithmetic Sequences
Linear Equations
Formulas
a_n = a_1 + (n - 1) * d
Theorems
Arithmetic Sequence General Formula
Suitable Grade Level
Grades 7-9
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