SOLUTION: The sequence of the numbers are: -15, -11, -7, -3, what is the formula for this pattern? What would be the 25th number in this sequence?

Algebra ->  Sequences-and-series -> SOLUTION: The sequence of the numbers are: -15, -11, -7, -3, what is the formula for this pattern? What would be the 25th number in this sequence?       Log On


   



Question 1037949: The sequence of the numbers are: -15, -11, -7, -3, what is the formula for this pattern? What would be the 25th number in this sequence?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Arithmetic Sequence. Common Difference is +4, and first term is -15. If index is n, then any term is -15%2B4%28n-1%29. Your question asks about n=25.