Step-2

Title: The general term of the arithmetic progression

Grade: 9-a Lesson: S3-L8

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step Type Explanation Answer

1

Problem

Find the general term of the arithmetic progression
6,11,16,21,…​

2

Step

The given sequence is 6,11,16,21,…​

3

Step

The first term is

a = 6

4

Step

The common difference is

d = 11-6 = 5

5

Formula:

The general term of an AP is calculated by the formula

\$ a_n = a + (n-1)d\$

6

Hint

Substitute a,d values in formula

\$ a_n = 6 + (n-1)5\$

7

Step

The general term of the given AP is

\$ a_n = 5n + 1\$

8

Answer

D

Tutor: Questions

Seq Type Question Audio

1

Problem

What did you learn from this problem?

2

Clue

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3

Hint

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4

Step

What did you learn from the Steps?

5

Step

How can we improve the Steps?


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