Math Problem Statement
Is the sequence arithmetic or geometric
Solution
The image provided shows a sequence of numbers, and the question asks whether the sequence is arithmetic or geometric. The sequence in the image is:
To determine whether the sequence is arithmetic or geometric:
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Arithmetic Sequence: A sequence is arithmetic if the difference between consecutive terms is constant. In other words, where is a constant.
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Geometric Sequence: A sequence is geometric if the ratio between consecutive terms is constant. In other words, where is a constant.
Checking the Sequence:
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The difference between consecutive terms:
Since the differences are not constant, the sequence is not arithmetic.
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The ratio between consecutive terms:
Since the ratio is constant, the sequence is geometric with a common ratio .
Conclusion: The sequence is geometric.
Do you want more details or have any other questions?
Here are 5 related questions:
- How can you determine the nth term of a geometric sequence?
- What is the formula for the sum of the first n terms of a geometric series?
- Can a sequence be both arithmetic and geometric? Why or why not?
- What is the difference between finite and infinite geometric sequences?
- How does the common ratio affect the behavior of a geometric sequence?
Tip: Always check the difference and ratio between terms when determining if a sequence is arithmetic or geometric.
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Math Problem Analysis
Mathematical Concepts
Arithmetic Sequence
Geometric Sequence
Formulas
Arithmetic sequence formula: \(a_n = a_1 + (n-1) \cdot d\)
Geometric sequence formula: \(a_n = a_1 \cdot r^{n-1}\)
Theorems
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Suitable Grade Level
High School
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