Respuesta :
Arithmetic sequence:
an=a1+(n-1)d
[tex] a_{17}= a_{1}+16d -74=38 + 16d 16d=-74-38 16d=-112 [/tex]
d=-112/16=-7
[tex] a_{27}=a_{1} + 26d=38+26*(-7)=38-182=-144[/tex]
Answer: D)-144
an=a1+(n-1)d
[tex] a_{17}= a_{1}+16d -74=38 + 16d 16d=-74-38 16d=-112 [/tex]
d=-112/16=-7
[tex] a_{27}=a_{1} + 26d=38+26*(-7)=38-182=-144[/tex]
Answer: D)-144