Concept explainers
The common difference and find whether the given sequence is in AP or not.
Answer to Problem 3LC
Sequence is not in AP.
Explanation of Solution
Given :
Arithmetic sequence is given,
A sequence is said to be in AP if common difference is same for all term.
Common difference is given by,
Therefore,
Since, all the differences are not same therefore sequence will be not in AP and common difference is -7.
Chapter 4 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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