Question

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

Answer 1

Answer:

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

Answer 2

That is correct u should give him brainless