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The (n)th term of an arithmetic sequence is (a_n=15n-23). What is the common difference?
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Answer and explanation
Correct answer: (15)
In (a_n=15n-23), the coefficient of (n) is (15), so the common difference is (15). In a linear (n)th term, the coefficient of (n) gives the difference.
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What is the correct answer to this question?
(15)
Why is this the correct answer?
In (a_n=15n-23), the coefficient of (n) is (15), so the common difference is (15). In a linear (n)th term, the coefficient of (n) gives the difference.
Which subject and chapter does this question cover?
This is a Class 9 Mathematics question. Chapter: Sequences and Progressions. Topic: nth term.
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