Geometric Sequences

What type of sequence is shown:

60, 67, 74, 81, 88,...

• Arithmetic

• Geometric

• Neither

What type of sequence is shown:

-10, -20 , -40, -80, -160,...

• Arithmetic

• Geometric

• Neither

What type of sequence is shown:

100, 50, 20, 10, 4,...

• Arithmetic

• Geometric

• Neither

F(1) = 20

F(n) = F(n-1) + 2

• Explicit

• Recursive

• Neither

 $f\left(n\right)\ =\ 5\left(2\right)^{n-1}$  

• Explicit

• Recursive

• Neither

What is the common ratio?

F(1) = 3

F(n) = F(n-1) x 4

• 3

• 4

• -1

What is the common ratio?

 $F\left(n\right)\ =4\left(2\right)^{n-1}$  

• 2

• 4

• -1

What type of sequence does this graph represent? (Click to zoom)

• Arithmetic

• Geometric

• Neither

What type of sequence does this graph represent? (Click to zoom)

• Arithmetic

• Geometric

• Neither