what is the 15th term of the linear sequence of 5

Question

,
8
,
11
,
14
,
17

Answer 1

Looks so much better when typed this way:

5, 8, 11, 14, 17

did you notice that each term is 3 more than its previous ?

You could just keep going until you get 15 terms, or.....

use the definitions of this sequence:
a=5 , d = 3
term(15) = a + 14d
= 5 + 14(3) = .......