Explicit Geometric Formulas

Write the explicit formula for the sequence.

Write the explicit formula for the sequence.

• 24

• 7,776

• 48

• 96

Use the explicit formula to find the 3rd term of the sequence. \(a_n=128\cdot\left(\frac{1}{2}\right)^{\left(n-1\right)}\)

• 64

• 32

• 16

• 8

What is the explicit formula for geometric sequences?

• f(n)=f(1) * r^n

• f(n)=f(1) + r^(n-1)

• f(n)=f(1) * r^n-1

• f(n)=f(1) * r^(n-1)

Which of the following is the EXPLICIT formula for geometric sequences?

Determine if the following sequence is arithmetic or geometric.

6, 30, 150, 750, ...

• Arithmetic

• Geometric

A number sequence formed by multiplying a term in a

sequence by a fixed number to find the next term

• Geometric Sequence

• Sequence

• Arithmetic Sequence

• Term of a Sequence

The fixed number used to find terms in a geometric

sequence

• Geometric Sequence

• Common Ratio

• Arithmetic Sequence

• Common Difference

Which kind of sequence has a common ratio?

• Arithmetic

• Geometric