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Questions and Answers
What is the formula for the nth term of an arithmetic sequence?
What is the formula for the nth term of an arithmetic sequence?
- an = a1 / (n - 1)d
- an = a1 × (n - 1)d
- an = a1 + (n - 1)d (correct)
- an = a1 - (n - 1)d
What is the nth term of an arithmetic sequence with a first term of 3 and a common difference of 5, given n = 4?
What is the nth term of an arithmetic sequence with a first term of 3 and a common difference of 5, given n = 4?
- 18
- 23 (correct)
- 28
- 13
What is the term that is equidistant from two given terms in an arithmetic sequence?
What is the term that is equidistant from two given terms in an arithmetic sequence?
- Arithmetic mean (correct)
- Quadratic mean
- Harmonic mean
- Geometric mean
What is the arithmetic mean of 5 and 13 in an arithmetic sequence?
What is the arithmetic mean of 5 and 13 in an arithmetic sequence?
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What type of problem typically involves finding the nth term of an arithmetic sequence?
What type of problem typically involves finding the nth term of an arithmetic sequence?
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