given the sequence form form 2,11,20,29,38.... What are the values of a1 and d?

The given sequence is: 2, 11, 20, 29, 38, ...

This is an **arithmetic sequence**, where each term increases by a constant difference.

1. The first term (\(a_1\)) is the first number in the sequence:
   \[
   a_1 = 2
   \]

2. The common difference (\(d\)) is the difference between consecutive terms:
   \[
   d = 11 - 2 = 9
   \]

Thus:
- \(a_1 = 2\)
- \(d = 9\)

Would you like more details on how arithmetic sequences work, or do you have any questions?

### Related questions:
1. How can we find the nth term of an arithmetic sequence?
2. How can we calculate the sum of the first n terms of this sequence?
3. What is the difference between arithmetic and geometric sequences?
4. How can we determine if a sequence is arithmetic just by looking at it?
5. Can an arithmetic sequence have a negative common difference?

**Tip:** In arithmetic sequences, the common difference stays constant throughout the sequence!

given the sequence form 2,11,20,29,38.... What are the values of a1 and d?

Learn how to find the first term (a1) and common difference (d) in an arithmetic sequence using the sequence 2, 11, 20, 29, 38. This problem introduces arithmetic sequences and key formulas, suitable for students in Grades 7-9.

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