Question

find the 8th term in the sequence -1/2, -1,-2,-4

Answer 1

Answer:27/2

Step-by-step explanation:

a=-1/2 d=-4/-2=2

Tn=a+(n-1)×d

T8=-1/2+(8-1)×2

T8=-1/2+7×2

T8=-1/2+14/1

T8=(-1+28)/2

T8=27/2