74.4k views
10 votes
Simple 9th grade math

Simple 9th grade math-example-1
User Speeves
by
4.8k points

1 Answer

4 votes

Answer:

-1078

Explanation:

To find the nth term in an arithmetic sequence we use the following formula

aₙ=a₁+(n-1)*d

Where a₁ is the first time, and d is the common difference (in this case -20)

So we have

2+(55-1)*-20

2+(54)*-20

2-1080

-1078

User Simon Briggs
by
5.2k points