Geometric Sequences Recursive

Which sequence is represented by the equation 2(7)^n-1 ?

• 7, 14, 28, 56...

• 2, 14, 98, 686...

• 2, 9, 16, 23...

• 7,9,11,13...

The next two terms of the sequence 2,-4, 8,-16 are

• 32, 64

• 32, -64

• -64, 108

• 32, 20

Determine the first 3 terms of the following sequence.

t₁= -3

t_n=t_n-1(3)

• -3, 9, 27

• -3, -9, -27

• -3, -6, -9

• -3, 6,9

The sequence 6, 18, 54...

• Arithmetic

• Geometric

• Explicit

• Recursive

Write a recursive formula for the following sequence: 16,8, 4, 2,...

• a₁=16

  a_n=a_n-1 (2)

• a₁=16

  a_n=a_n-1 (1/2)

• a₁=16

  a_n=a_n-1 + (1/2)

• a₁=16

  a_n=a_{n-1 +} (2)

What is the common ratio of the sequence: 16, -8 , 4, -2...

Determine if the following sequence is arithmetic or geometric.

200, 100, 50, 25, ...

• Arithmetic

• Geometric

Identify the common ratio for the given geometric sequence.

• r = 4

• r = 3

• r = 12

Find a₆.

1, 3, 9, 27, 81, ...

• 243

• 81

• 729

• 3

Determine if the following sequence is arithmetic or geometric.

6, 12, 24, 48, 96, ...

• Arithmetic

• Geometric