Geometric Sequences

What does r represent?

• Radical

• Common difference

• Constant ratio

What does g₁ represent?

• Any term

• First term

• Last term

What is a sequence?

• jewelry

• exponents

• a list of numbers

• order of operations

What is the initial term?

• the first term

• the exponent

• the last term

What is a geometric sequence?

• a list of numbers where each term is found by multiplying the previous term by a constant

• even numbers

• a list of numbers where each term is found by adding the previous term by a constant

• a list of numbers

What is a constant ratio?

• the number we add to each term in a geometric sequence

• the first term

• the exponent

• the number we multiply by to produce the next term in a geometric sequence

What is an explicit formula?

• a formula used to find the constant ratio

• the last term of a sequence

• a formula used to find the value of a term in a sequence

What is the explicit formula for a geometric sequence?

• $g_n=g_1+r^{\ n}$

• $g_n=g_1\cdot r^{\ n-1}$

• $g_n=g_1+r^{\ n-1}$

• $g_n=g_1\cdot r$

 $4\ ,\ 8\ ,\ 16\ ,\ 32\ ,\ ...\$  

What is the first term of the sequence?

• 32

• 2

• 4

• 64

 $2\ ,\ 10\ ,\ 50\ ,\ 250\ ,\ ...\$  

What is the constant ratio of the geometric sequence?

• 2

• 5

• 250

• -5