Lesson 4 of 4 · Grade 10 Mathematics

Arithmetic sequences and series

15 min

An arithmetic sequence increases or decreases by the same amount each time, called the common difference (d).

3, 7, 11, 15, ... (d = 4)

The nth term

Tₙ = a + (n - 1)d, where a is the first term.

Continue reading this lesson

Create a free account to read the full notes, try the quizzes and games, and join live classes. 3-day free trial.