Posted by Tenacious on .
The 10th term of an arithmetic sequence 17 and the16th is 44,find the first three terms in the sequence

Mathematics 
Reiny,
a+9d = 17
a+15d = 44
subtract them
6d = 27
d = 4.5
then a = 179(4.5) = 23.5
sequence starts as
23.5 , 19 , 14.5 ...