HURRY IM TIMED!!!!!


Determine the common ratio and find the next three terms of the geometric sequence.
8, -20, 50,


a.
-2.5; -125, 312.5, -781.25
c.
2.5; -125, 312.5, -781.25
b.
-2.5; -70, 240.6, -642.85
d.
2.5; -70, 240.6, -642.85