Question

MEDAL AND FAN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Help?

What is the 7th term of the geometric sequence where a1 = −625 and a2 = 125?

−0.2
0.04
−0.04
0.2

Answer 1

first we need to find r,the common ratio so it would be a1/a2

Answer 2

sorry the r would be a2/a1

Answer 3

so 125/-625?

Answer 4

r would be \[\frac{ -1 }{ 5 }\]

Answer 5

yes right

Answer 6

or that too

Answer 7

if we want to find the seventh term then the formula for it would be