Question

What is the 11th term of the geometric sequence -3, -9/2, -27/4, -81/8, ...

Picture with answer choices: http://tinypic.com/view.php?pic=16h0uqa&s=5#.UlVxvBCDl8E

Answer 1

the nth term of a GS is ar^(n-1)

where a = first term and r = common ratio

the common ratio can be found by dividing the second term by the first term

Answer 2

so in this case r = ( -9/2) / -3

Answer 3

I e