Jayden999 Jayden999
  • 12-12-2019
  • Mathematics
contestada

Is 2,14,98,686 a arithmetic sequence or a geometric sequence or neither?

Respuesta :

CalaverEsc
CalaverEsc CalaverEsc
  • 12-12-2019

From 2 to 14: 12

From 14 to 98: 84

From 98 to 686: 588

There is no arithmetic sequence because the difference between each number is not the same each time.

Let's try dividing each number by the previous one:

14/2 = 7

98/14 = 7

686/98 = 7

Yes! It's a geometric sequence, multiplying by 7 with each step.

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