Question
- If the 4th term of an arithmetic sequence is 24 and the 12th term is 56, whats the first term?
Answers
Reiny
a+3d = 24
a+11d = 56
subtract them:
8d = 32
d = 4
sub into one of the above equations to find a
a+11d = 56
subtract them:
8d = 32
d = 4
sub into one of the above equations to find a
rei
12