Geometric sub-unit Jeopardy Game

Factorial

100

The definition of a factorial.

What is a number multiplied by every term before it?

200

The answer to 5!.

What is 120?

300

The answer to 6!/3!.

What is 120?

400

The answer to 8!/4!

What is 1,680?

500

The answer to n!/n-1!

What is n?

explicit formula

100

The eqution to write in explicit formula

What is a_n = a₁ x r^n-1?

200

The explicit formula for 10,20,40,80,160...

What is a_n = 10 x 2^n-1?

300

The first four terms for a_n = 7 x -1^n-1

What is 7, -7,  7, -7?

400

The explicit formula for 3, -12, 48, -192

What is a_n = 3 x -4^n-1

500

The first four terms of a_n=100 x .5^n-1

What is 100, 50, 25, 12.5?

recursive formulas

100

The recursive formula for 2,4,8,16

what is a₁= 2 and a_k=2(a_k-1)?

200

The first 5 terms for a₁=5 and a_k= 5(a_k-1)

What is 5,25,125,625,3125?

300

The first 5 terms for a₁=400 and a_k=a_k-1/4

What is 400,100,25,6.25,1.56?

400

The recursive formula for 3,9,27,81,...

What is a₁=3 and a_k=3(a_k-1)?

500

The first 4 terms for a₁=1 and a_k=a_k-1/3

What is 1,1/3,1/9,1/27?

advanced problems

100

The exlixit formula from a₁=4 and a_k=2(a_k-1)

What is a_n=4 x 2^n-1

200

Both recursive and explicit formula for 13,-52,208,-832...

what is explicit formula as a_n= 13 x -4^n-1 and recursive as a₁=13 and a_k=14(a_k-1)?

300

The 9th term of the sequence -5,10,-20,...

What is -1280?

400

The larger 9th term from the sequences a_n=30n or a_n= 1 x 2^n-1

What is a_n=30n with a 9th term of 270?

500

The 11th term of the sequence a₁=3 and a_k=4(a_k-1)

What is 3,145,728?