Question

Find the common ratio.

-2, -4/3, -8/9, -16/27, -32/81, ...

r = ?

Answer 1

multiplying by 2/3 each time

Answer 2

r = 2/3

-2, -4/3, -8/9, -16/27, -32/81

-2 x 2/3

-2 x 2 = -4, 1 x 3 = 3

-2/1 x 2/3 = -4/3

Let me know if this is the correct answer. :)