Question

Find an explicit rule for the nth term of a geometric sequence where the second and fifth terms are -6 and 162, respectively.
answer choices are
an = 2 • 3n - 1

an = 2 • (-3)n - 1

an = 2 • 3n

an = 2 • (-3)n + 1

Answer 1

@zpupster

Answer 2

@zepdrix

Answer 3

@plitter @Agent_Sniffles @bbb911 @dmezzullo @Eyad @Frostbite @jim_thompson5910

Answer 4

T(n) = a*r^(n-1)

where,
a - First term
r - Common ratio ,
n - Term of sequence

Answer 5

T2=-6 , T5=162

Answer 6

Can u continue ?

Answer 7

i got c