Question

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

Answer 1

Next 3 terms are 50*-2.5 , 60*(-2.5)^2 and 50 * (-2.5)^3
= -125, 312.5 and -781.25 Answer

Answer 2

Common ratio = -20/8 = -2.5 Answer

Next 3 terms are 50*-2.5 , 60*(-2.5)^2 and 50 * (-2.5)^3
= -125, 312.5 and -781.25 Answer