Question

First term is -6 and the common difference is 5 state the 80th term of the arithmetic sequence

Answer 1

a₈₀ = 389

Explanation:

the nth term of an arithmetic sequence is

`a_(n)` = a₁ + (n - 1)d

a₁ is the first term, d the common difference and n the term number

here a₁ = - 6 , d = 5 and n = 80 , then

a₈₀ = - 6 + (79 × 5) = - 6 + 395 = 389