Arithmetic Sequence Problems

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Questions and Answers

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?

  • 18
  • 23 (correct)
  • 28
  • 13

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?

<p>8 (D)</p> Signup and view all the answers

What type of problem typically involves finding the nth term of an arithmetic sequence?

<p>Sequence problem (A)</p> Signup and view all the answers

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