The first two terms of a geometric sequence are a1 = 1/3 and a2 = 1/6. what is a8, the eighth term?

a. 1/256
b. 1/384
c. 1/768
d. 1/128 10 points

B

Step-by-step explanation:

Given the sequence is geometric then the common ratio r is

r = = =

The n th term of a geometric sequence is

=

                       = ×

                      = × =

93.8

step-by-step explanation:

lets say, first number = x

second number = 3x+7

total = 49

(x)+(3x+7)= 49

4x+7 = 49

4x = 42

x = 42/4

x= 10.5

x= 10.5

3x+7 = 3(10.5)+7 = 93.8

hope this

a

step-by-step explanation: