Nth Term

Question 1

6,12,18,24,30

Answer 1

+5
5,10,15,20,25
=5n+1

Question 2

-11,-9,-7,-5,-3

Answer 2

2,4,6,8,10
+2
=2n-13

Question 3

Nth term of the sequence is 9n - 3, find the first 3 terms=

Answer 3

9X1=9-3=6
9X2=18-3=16
9X3=27-3=24

Question 4

The nth term is 4n+1, is 37 a term in this sequence=

Answer 4

4n+1=37
-1 on both sides
4n=36
36 divided by 4=9
9X4=36+1=37