Concept explainers
The common difference of the given sequence “19, 8, -3, -14, …..” and find whether it is in AP or not.
Answer to Problem 20PPE
Yes, the pattern is arithmetic and the common difference
Explanation of Solution
Given:
The given sequence is,
19, 8, -3, -14, …..
Here,
Since the difference in previous and next term is same for all or 11 is subtracted from each term.
It means the given sequence is an arithmetic sequence.
So, the common difference will be the difference of two consecutive term.
Chapter 4 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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