Arithmetic Sequences Jeopardy

Is the following sequence arithmetic or not?

100

1,3,5,7,9,11...

Yes

200

2,4,8,16,32,64...

No

300

107,99,91,83,75...

Yes

Find the ____ term given the sequence or equation

100

What is the 10th term of the equation A(n) = 3(n-1) + 4?

31

200

What is the 7th term of the formula A(1)=3, A(n) = A(n-1) + 5?

33

300

What is the 5th term of A(n) = 17(n-1) + 6?

74

What is the explicit formula for the sequence?

100

1,3,5,7,9,11

A(n) = 2 (n-1) + 1

200

6,9,12,15,18

A(n) = 3(n-1) + 6

300

9,7,5,3,1

A(n) = -2(n-1) + 9

What is the recursive formula for the sequence?

100

1,4,7,10,13

A(n) = A(n-1) + 3, A(1) = 1

200

5,2,-1,-4,-7

A(n) = A(n-1) - 3, A(1) = 5

300

1,8,15,22,29

A(n) = A(n-1) + 7, A(1) = 1

Final question

500

At a new restaurant, the amount of people that came on the first day was 24, and each successive day, 4 more people came than the last day. Assuming this pattern continues, how many people came on the 27th day?

128