Explicit Geometric Sequences

Find the common ratio for the geometric sequence.

• 2

• -2

• 1/2

• -1/2

Determine whether the sequence is arithmetic, geometric, or neither.

• arithmetic

• geometric

• neither

Determine whether the sequence is arithmetic, geometric, or neither.

• arithmetic

• geometric

• neither

Find the common ratio for the geometric sequence.

• -4

• 4

• 1/4

• -1/4

Find the common ratio for the geometric sequence.

• 2/3

• 3/2

• -2/3

• -3/2

What is the 14th term of the geometric sequence?

• 14,348,907

• 4,782,969

• 1,594,323

• 45

What is the 11th term of the geometric sequence?

• -5120

• 97,656,250

• 19,531,250

• -19,531,250

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

• 32, 64

• 32, -64

• -64, 108

• 32, 20

Find the common ratio: 64, -16, 4, -1, ...

• r = -8

• r = -1/4

• r = -4

• r = 4

Write the explicit formula for the sequence given by 3, 6, 12, 24, …

• ^a_n= 3(2)^n-1

• ^a_n= 3+(2)ⁿ

• ^a_n= 3(2)ⁿ

• ^a_n= 3+(2)^n-1