mkdunn2000oynm3o
mkdunn2000oynm3o mkdunn2000oynm3o
  • 13-03-2018
  • Mathematics
contestada

Which formula can be used to describe the sequence? , −4, −24, −144,...

Respuesta :

hienh4517 hienh4517
  • 13-03-2018
-4 to -24 you have to multiply 6

-24 x 6 = -144

Formula

a(n) = -4x6(n-1)
Answer Link
lisboa lisboa
  • 14-05-2019

Answer:

[tex]An= -4(6)^{n-1}[/tex]

Step-by-step explanation:

−4, −24, −144,...

There is no common difference

-24/-4= 6

-144/ -24= 6

common ratio = 6

when there is a common ratio then it is an Geometric sequence

[tex]An= a1(r)^{n-1}[/tex]

a1 is the first term = -4

r is the common ratio = 6

Formula becomes

[tex]An= -4(6)^{n-1}[/tex]

Answer Link

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