Question

find the 7th term of 1, 1/2, 1/4

Answer 1

Answer:

A7=-2

Step-by-step explanation:

a=1

d=1/2-1=1/4-1/2=-1/2

n=7

A7=a+(n-1)d

A7=1+6*-1/2

A7=1-3

A7=-2