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tell whether the sequence is arithmetic .If it identify the common diffrence.

-7,-3,1,5

1) not arithmetic

2) Arithmetic, common difference is 4

3) Arithmetic, common difference is 8

4) Arithmetic, common difference is 7

Respuesta :

wegnerkolmp2741o

add 4 each time

-3 -(-7) =4

1-(-3) =4

5-1 =4

common difference =4

arithmetic

Answer 2 Arithmetic, common difference is 4

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