The first term of an arithmetic progression is 10 and the common difference is –3

MATHEMATICS · Single correct · A Level · Mathematics · Sequences and series · Sequences and series

Problem

The first term of an arithmetic progression is 10 and the common difference is –3. At which term does the progression first become negative? (a)

6^{\text{th}}

term (b)

5^{\text{th}}

term (c)

4^{\text{th}}

term (d)

7^{\text{th}}

term