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What is the common difference of the sequence for -2n + 7?

What Is The Common Difference Of The Sequence For 2n 7 class=

Answer :

MHANIFAGO

Answer:

  • Option C

Step-by-step explanation:

Given sequence:

  • aₙ = - 2n + 7

The common difference is the difference between two adjacent points:

  • d = aₙ₊₁ - aₙ
  • d = - 2(n + 1) + 7 - (-2n + 7) = -2n - 2 + 7 + 2n - 7 = -2

As we see -2 is the coefficient of the variable.

Correct choice is C

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