Geometric Sequences Quiz
✅✅
-81, 108, -144, 192,... Which formula can be used to describe the sequence? -
-f(x) = -81 (-4/3)^x-1
✅✅
640, 160, 40, 10...Which correctly describe the graph of the geometric sequence?
Select two options. - -The domain will be the set of natural numbers. The graph
will show exponential decay.
✅✅
Natalia is writing a recursive formula to represent the sequence 8, 12, 18, 27,... What
value should she use as the common ration in the formula? - -3/2
Isaak is writing an explicit formula to represent the sequence. 64, 112, 196, 343,...
✅✅
What value should he use as the common ration in the formula? Write the answer as
a decimal rounded to the nearest hundredth. - -0.75
A conservationist determines that a particular beach is eroding at a rate of 1.1%
each year. When writing an explicit formula to represent the amount of beach
✅✅
remaining each year, which values should she use as the common ratio? -
-0.989
✅✅
-2 2/3, -5 1/3, -10 2/3, -21 1/3, -42 2/3,... Which formula can be used to describe the
sequence? - -f(x+1) = 2f(x)
A sequence of numbers begins with 12 and progresses geometrically. Each number
✅✅
is the previous number divided by 2. Which value can be used as the common ratio
in an explicit formula that represents the sequence. - -1/2
✅✅
Lena is asked to write an explicit formula for the graphed geometric sequence. What
value, written as a decimal, should Lena use as the common ratio? - -2.5
✅✅
The points shown on the graph represent the numbers in a geometric sequence.
What is the initial value of the sequence? - -2
Which graph represents a geometric sequence? - ✅✅-B
✅✅
-81, 108, -144, 192,... Which formula can be used to describe the sequence? -
-f(x) = -81 (-4/3)^x-1
✅✅
640, 160, 40, 10...Which correctly describe the graph of the geometric sequence?
Select two options. - -The domain will be the set of natural numbers. The graph
will show exponential decay.
✅✅
Natalia is writing a recursive formula to represent the sequence 8, 12, 18, 27,... What
value should she use as the common ration in the formula? - -3/2
Isaak is writing an explicit formula to represent the sequence. 64, 112, 196, 343,...
✅✅
What value should he use as the common ration in the formula? Write the answer as
a decimal rounded to the nearest hundredth. - -0.75
A conservationist determines that a particular beach is eroding at a rate of 1.1%
each year. When writing an explicit formula to represent the amount of beach
✅✅
remaining each year, which values should she use as the common ratio? -
-0.989
✅✅
-2 2/3, -5 1/3, -10 2/3, -21 1/3, -42 2/3,... Which formula can be used to describe the
sequence? - -f(x+1) = 2f(x)
A sequence of numbers begins with 12 and progresses geometrically. Each number
✅✅
is the previous number divided by 2. Which value can be used as the common ratio
in an explicit formula that represents the sequence. - -1/2
✅✅
Lena is asked to write an explicit formula for the graphed geometric sequence. What
value, written as a decimal, should Lena use as the common ratio? - -2.5
✅✅
The points shown on the graph represent the numbers in a geometric sequence.
What is the initial value of the sequence? - -2
Which graph represents a geometric sequence? - ✅✅-B
