arithmetic
posted by ashely .
find the 25th term of the arithmetic sequence 24, 19, 14, 9 ...

Subtract 5 each time. The 25th term will be a negative number.

a=24
d=5
term(25) = a+24d = 24 + 24(5) = 96
posted by ashely .
find the 25th term of the arithmetic sequence 24, 19, 14, 9 ...
Subtract 5 each time. The 25th term will be a negative number.
a=24
d=5
term(25) = a+24d = 24 + 24(5) = 96