Explicit and recursive arithmetic sequences
Quiz by Juli
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10 questions
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- Q1Given the arithmetic sequence: 5, 9, 13, 17,..., what is the explicit formula for the nth term?a_n = 5n + 4a_n = 9na_n = 4n + 5a_n = 5 + (n - 1) * 430s
- Q2Consider the arithmetic sequence with an initial term of 3 and a common difference of 7. What is the recursive formula for the sequence?a_n = 3n + 7a_n = 3na_n = a_{n-1} - 7; a_1 = 3a_n = a_{n-1} + 7; a_1 = 330s
- Q3What is the 5th term in the arithmetic sequence whose first term is 4 and common difference is 3?1319161230s
- Q4If an arithmetic sequence starts with 15 and has a common difference of -2, what is the recursive formula for the sequence?a_n = a_{n-1} + 2; a_1 = 15a_n = 15n - 2a_n = a_{n-1} - 2; a_1 = 15a_n = 2a_{n-1}; a_1 = 1530s
- Q530s
- Q630s
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- Q1030s