Arithmetic Progression Formulas and Patterns Quiz
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Arithmetic Progression Formulas and Patterns Quiz

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Questions and Answers

What is the formula to find the nth term of an arithmetic progression?

  • $a_n = a_1 - nd$
  • $a_n = a_1 - (n-1)d$
  • $a_n = a_1 + (n-1)d$ (correct)
  • $a_n = a_1 + nd$

    • If the first term of an arithmetic progression is 3 and the common difference is 4, what is the 5th term?

  • 23 (correct)
  • 7
  • 15
  • 27

    • In an arithmetic progression, if the common difference is negative, what happens to the terms as n increases?

  • The terms alternate in direction
  • The terms increase
  • The terms stay constant
  • The terms decrease (correct)

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