Math Problem Statement
Solution
The sequence provided is . This is an arithmetic sequence where the common difference between consecutive terms can be determined as:
The first term is . The formula for the -th term of an arithmetic sequence is:
We are tasked with finding the 22nd term ():
Therefore, the 22nd term is .
Would you like further details or have any questions?
Here are 5 related questions:
- How do we derive the general formula for any arithmetic sequence?
- Can we find the sum of the first 22 terms in this sequence?
- What happens if the common difference was positive, how would the sequence change?
- How would you determine the number of terms if a specific value is known in the sequence?
- How does this formula apply if the sequence was geometric instead of arithmetic?
Tip: Always identify the common difference in an arithmetic sequence before proceeding to solve for any specific term.
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Math Problem Analysis
Mathematical Concepts
Arithmetic Sequence
Algebra
Formulas
General formula for the nth term of an arithmetic sequence: a_n = a_1 + (n - 1) * d
Theorems
-
Suitable Grade Level
Grades 7-9
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