gjhusick gjhusick
  • 02-07-2017
  • Mathematics
contestada

Write the explicit formula that represents the geometric sequence-2, 8, -32, 128

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LAGRHA15 LAGRHA15
  • 02-07-2017
The explicit formula for your geometric sequence would be an = -2 * 4ⁿ⁻¹. 

The explicit formula is: an = a₁*r ⁿ⁻¹

a₁ = -2
r = 4
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