Respuesta :

mathstudent55
-1 - (-7) = 6
5 - (-1) = 6
11 - 5 = 6
The common difference is 6.
If you add 6 to a term, you get the next term.

[tex] a_0 = -7 [/tex]

[tex] a_n = a_{n - 1} + 6 [/tex]

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