melissa0418
melissa0418 melissa0418
  • 14-03-2019
  • Mathematics
contestada

What is the eighth term of the sequence 2,1,-2,-7,-14

Respuesta :

Duqcampbell
Duqcampbell Duqcampbell
  • 14-03-2019

Answer:

-47

Step-by-step explanation:

To find the answer, you need to find the pattern.

Each term of the sequence is decreased by an odd number in a pattern of (-1, -3, -5, -7, -9, -11, -13...)

So:

2 - 1 = 1 (second term)

1 - 3 = -2 (third term)

-2 - 5 = -7 (fourth term)

-7 - 7 = -14 (fifth term)

-14 - 9 = -23 (sixth term)

-23 - 11 = -34 (seventh term)

-34 - 13 = -47 (eighth term)

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