Question

What is the 25th term in the following arithmetic sequence?
-7, -2, 3, 8, ...

Answer 1

`a_n = a_1 + (n-1)d`

`a_1= First~number`

`d=Common~difference`

`n=Number~of~terms`
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`a_(25)= -7 + (25-1)(8-3)`

`a_(25)= 113`