Algebra-1

Question Analysis
This question tests the student's understanding of the notation and calculation of terms in an arithmetic sequence, especially when the common difference is negative. The student needs to use the given first term and common difference to find the 6th term.

Key Concept Explanation
In an arithmetic sequence, the -th term can be found using the formula . Here, is the first term, is the common difference, and is the position of the term.

Step-by-step Solution
1. Identify the given values: , , and .
2. Substitute these values into the formula

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