Answer:
-8
Step-by-step explanation:
Common ratio of a geometric sequence can be obtained by dividing the successive terms as ,
=> S = 11 , -88 , 704
=> r = -88/11
=> r = -8
OR
=> r = 704/-88
=> r = 8/-1
=> r = 8(-1)/(-1)(-1)
=> r = -8
• Hence the common ratio is -8.
