The explicit formula for the nth term of an arithmetic sequence is an = a1 + (n - 1) d. What is the simple formula corresponding to the explicit formula if the first term of the sequence is -10 and the difference between terms in the sequence is 5?

Question

The explicit formula for the nth term of an arithmetic sequence is an = a1 + (n - 1)  d. What is the simple formula corresponding to the explicit formula if the first term of the sequence is -10 and the difference between terms in the sequence is 5?

amistre64 · Answer

they give you a1 and d,  id say we use them ....