This is what a1 stands for.
What is the first term?
2, 5, 8, 11, ...
What is an = a1 + d (n-1)?
This is the sum of the sequence 1, 2, 3, 4, 5.
What is 15?
This is what an stands for.
What is the nth term?
This is the next number in this sequence:
12, 5, -2, -9, ...
What is -16?
What is an= a1(r)(n-1)
Skye gets distracted one time by a shiny thing in 1st period, 3 times by shiny things in 2nd period, 5 times by shiny things in 3rd period, and so on from there. This is the total number of times Skye is distracted throughout the day after 7th period has ended.
What is 49?
This is the sum of the first 3 terms of the sequence an=2n.
What is 12?
This is what "r" stands for in the geometric sequence formula.
What is common ratio or ratio?
This is the next number in this sequence:
3, -9, 27, -81, ...
What is 243?
This is formula for the sequence:
2, 3, 4, 5, . . .
What is an = n+1
There are 1300 fish in a lake and the population grows by 256 each year. This is the population after 100 years.
What is 26,900?
This is the sum of the first five terms of the sequence an=3n-2.
What is 35?
This is the kind of sequence where there is a common ratio (multiply/divide).
What is a geometric sequence?
This is the next number in the sequence:
45, 30, 20, ...
What is 40/3?
DOUBLE JEOPARDY
What is (4)(0.5)n-1?
The price of a compound bow from Cabela's has increased every ten years from $62.50, to $125, to $250, to $500. This is the price of what the average will become in 10 more years.
What is $1000?
DOUBLE JEOPARDY
What is 42?
My weekly paycheck has increased from $1200 my second year, to $1800 my third year, and then to $2700 my fourth year. How much did I earn my first year weekly?
What is $800?
This is the next number in the sequence:
2/3, 4/9, 8/27, ...
What is 16/81?
On average, garbage doubles in Mr. Bauer's vehicle every week. At the start of the year, he has 3 pounds of McDonald's garbage in his minivan. This is the formula for how garbage increases in Mr. Bauer's minivan.
What is an = (3)(2)(n-1)?
Concert tickets have gone up from $6, to $9, to $13.50 in the first 3 weeks of sales. This is the cost of a ticket in the 4th week of sales.
What is $20.25?
This is what the board problem equals
What is 728?