Using Expressions in Patterns

Which is the correct algebraic expression for the pattern:

3,6,9,12....

• 3n

• 3n+1

• 3n-1

• $n^3$

Which is the correct algebraic expression for the pattern:

3,7,11,15...

• 4n - 1

• 4n + 1

• 4n

• n - 4

Which is the correct algebraic expression for the pattern:

2,3,4,5,6....

• n - 1

• 2n

• 2n +1

• n + 1

Which is the correct algebraic expression for the pattern:

1,4,9,16,25...

• $n^3$

• $n^2$

• 2n

• 3n

Which is the correct algebraic expression for the pattern:

10,15,20,25...

• n + 5

• 5n

• 5n +5

• 5n - 5

Which is the correct algebraic expression for the pattern:

2,7,12,17,22...

• 5n - 2

• 5n - 1

• 5n -3

• 5n + 3

Which is the correct algebraic expression for the pattern:

2,4,6,8,10...

• 3n

• 2n - 1

• 2n + 1

• 2n

Which is the correct algebraic expression for the pattern:

8,18,28,38...

• 8n

• 10n

• 10n - 2

• 10n + 2

Which is the correct algebraic expression for the pattern:

12,15,18,21...

• 3n + 9

• 3n - 9

• 3n

• 3 + n