Arithmetic,Geometric

Question

Fill in the blanks below to construct a correct statement.

The sequence 2, 6, 10, 14, ... is a/an  sequence with a common          of 

Answer: Arithmetic,Geometric , ratio, difference, 3,4

Answer 1

it's an arithmetic sequence with a common difference = 4

a1 = 2

a2 = 2+4(2-1) = 6

a3 = 2+ 4(3-1) =10

a4 = 2 +4(4-1) = 14

a5 = 2 +4(5-1) = 18

...

an = 2 + 4(n-1)