ani25smile
ani25smile ani25smile
  • 04-05-2020
  • Mathematics
contestada

Is the following sequence
arithmetic, geometric, or
neither? Give the common
difference or ratio.
{-3, 6,-9, 12, ...}

Respuesta :

MathPhys
MathPhys MathPhys
  • 04-05-2020

Answer:

Neither

Step-by-step explanation:

If the sequence is arithmetic, there will be a common difference.

6 − (-3) = 9

-9 − 6 = -15

12 − (-9) = 21

The sequence is not arithmetic.

If the sequence is geometric, there will be a common ratio.

6 / -3 = -2

-9 / 6 = -3/2

12 / -9 = -4/3

The sequence is not geometric.

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