Question

Arithmetic sequence for -1 -6 -11 -16 expression

Answer 1

That is correct u should give him brainless

Answer 2

hello :

note :

the nth term of an arithmetic sequence is :

An =A1+(n-1)d ....a common difference is : d ... A1 : the first term

in this exercice : A1 = - 1 d = (-6) -(- 1) = -5

An = - 1 + (n - 1)(-5)

the expression is : An = - 5n +4