LamoubpanHanLu LamoubpanHanLu
  • 08-11-2016
  • Mathematics
contestada

What is the 7th term of the geometric sequence where a1 = -4,096 and a4 = 64?

Respuesta :

scme1702
scme1702 scme1702
  • 12-11-2016
First, we calculate the common ratio.
an = arⁿ⁻¹
64 = -4096r³
r = -1/4
a(7) = -4096r⁷⁻¹
a(7) = -1
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