Answer: 2, -4, -10. -16, ..., -6n+8 n=1, 2, 3, ...
Step-by-step explanation:
2, -4, -10, -16
a₁=2
a₂=-4
a₃=-10
a₄=-16
a₂-a₁=-4-2=-6
a₃-a₂=-10-(-4)=-6
a₄-a₃=-16-(-10)=-6
Hence, this is an arithmetic progression: a₁=2 d=-6
[tex]a_n=a₁+(n-1)d\\a_n=2+(n-1)(-6)\\a_n=2-6n+6\\a_n=-6n+8[/tex]
