sugarsugarloveovgfn6
sugarsugarloveovgfn6 sugarsugarloveovgfn6
  • 22-11-2017
  • Mathematics
contestada

What is the 83rd term of the arithmetic sequence an= -22, -18, -14,....?

A. -350

B. 302

C. 306

D. 354

Respuesta :

Piinoy
Piinoy Piinoy
  • 22-11-2017
We can figure this out using the explicit formula.

[tex]f(n)=f(1)+d(n-1)[/tex]

n represents the term we are looking for, which in this case, is 83.
f(1) represents the first term in the sequence, which in this case, is -22.
d represents the common difference, which in this case, is +4.

f(n) = -22 + 4(n-1)
f(n) -22 + 4n - 4
f(n) = -26 + 4n

Now, we can plug in 83 for n.

f(83) = -26 + 4(83)
f(83) = -26 + 332
f(83) = 306

The answer is C, 306.
Answer Link
madisonbeachmeb madisonbeachmeb
  • 12-12-2019

Answer:

C: 306

Step-by-step explanation:

Answer Link

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