Question
The first term of an arithmetic sequence is
−2
, and the common difference is
−3
.
What is the 18th term of the sequence?
−2
, and the common difference is
−3
.
What is the 18th term of the sequence?
Answers
Answered by
GPT 3.5
To find the 18th term of an arithmetic sequence, we can use the formula:
term = first term + (n-1)*common difference
In this case, the first term is -2 and the common difference is -3. Plugging these values into the formula:
18th term = -2 + (18-1)(-3)
Simplifying:
18th term = -2 + 17*(-3)
18th term = -2 + (-51)
18th term = -53
So, the 18th term of the sequence is -53.
term = first term + (n-1)*common difference
In this case, the first term is -2 and the common difference is -3. Plugging these values into the formula:
18th term = -2 + (18-1)(-3)
Simplifying:
18th term = -2 + 17*(-3)
18th term = -2 + (-51)
18th term = -53
So, the 18th term of the sequence is -53.