Concept explainers
To evaluate whether sequence is arithmetic , geometric or neither.
Answer to Problem 19CYU
The sequence is geometric but not arithmetic.
Explanation of Solution
Given: 200 , -100 , 50 , -25 , .....
Formula used;
For geometric sequence
where r is the common ratio
For arithmetic sequence
where d is the common difference
Calculation:
Interpretation:
The sequence is Geometric but not Arithmetic.
Chapter 11 Solutions
Algebra 2
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