Patterns to Algebra

What is the pattern rule for the sequence: 11, 18, 25?

• output number = input number x 10 + 1

• output number = input number x 5 + 6

• output number = input number x 7 + 4

• output number = input number x 9 + 2

11 = 1 x 7 + 4

The multiplier is...

• 11

• 1

• 7

• 4

11 = 1 x 7 + 4

The output is...

• 11

• 1

• 7

• 4

11 = 1 x 7 + 4

The constant is...

• 11

• 1

• 7

• 4

11 = 1 x 7 + 4

The input is...

• 11

• 1

• 7

• 4

11 = 1 x 7 + 4

The total number of tiles is...

• 11

• 1

• 7

• 4

11 = 1 x 7 + 4

The position number is...

• 11

• 1

• 7

• 4

Which is the correct equation for the pattern rule?

• output number = input number x 4

• x 3 + 1

• total number of tiles = position number x __ + __

• output number = input number x 3 + 1