Use your definitions of the term of an arithmetic sequence
a = -3
term(15) = a + 14d
53 = -3 + 14d
solve for d
The first term of an arithmetic sequence is -3 and the fifteenth term is 53.
What is the common difference of the sequence?
14/13
25/7
4
2 answers
is this following sequence arithmetic is so identify the common difference
-73,-44,-15,14
-73,-44,-15,14