-6
Step-by-step explanation:
2,y,18,-54,162,...
This is a geometric sequence
Common ratio r = T2/T1 = T3/T2
y/2 = -54/18
Cross multiply
y(18) = 2(-54)
18y = - 108
y = -108/18
y = -6
answer: 0,6
step-by-step explanation:
this would make it the y intercept.