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A. Determine if the given sequences are arithmetic or not. Give the common difference if the sequence is arithmetic by ticking the circle.

1. 3, 11, 19, 27, …
2. 15, 11, 7, 3, …
3. 1,– 8, 27, – 16, …
4. an= 2n + 3
5. an= 7n – 5​


Sagot :

Answer:

1. Arithmetic. 8 is the common difference

2. Arithmetic. -4 is the common difference

3. Not Arithmetic

4. Arithmetic. 2 is the common difference

5. Arithnetic. 7 is the common difference

I hope this will help.