Arithmetic
This sequence has a starting value of 3 and a common difference of -0.25.
What is 3, 2.75, 2.5, ...?
What is rice?
The explicit formula for a geometric series with a common ratio of 9/28 and an initial value of 8/7.
What is an = (8/7) * (9/28)n-1
This is the stadium where the Seattle Seahawks play their home games
What is Lumen Field?
The first term and common ratio of the sequence -13, 78, -468, ....
What are a1 = -13 and r = -6?
9, 7.2, 5.4, ____, ____, _____
3.6, 1.8, 0
This is the festival when people eat mooncakes.
What is the mid-autumn festival?
0.85, 1.1, 1.35, ....
(Correct answers will give either the recursive or explicit formula for the sequence.)
an = 0.6 + 0.25 n
OR
a1 = 0.6 AND an = an-1 + 0.25
This professional basketball team plays at Climate Pledge Arena.
Who is the Seattle Storm?
The first term and common ratio of the series 15/7, 25/7, 125/21, ....
What are a1 = 15/7 and r = 5/3?
The 25th term of the sequence -7, -4, -1, 2, ....
This chocolate-flavored coffee drink gets its name from a city in Yemen that was once a center of the coffee trade.
What is a mocha?
2/3 , 8/9 , 32/27 , ....
(Correct answers will give either the recursive or explicit formula for the sequence.)
an = 2/3 * (4/3)n-1
OR
a1 = 2/3 AND an = an-1 * (4/3)
Who is Cal Raleigh?
The 18th term of the sequence -11, -22, -44, ...
What is -1,441,792?
The sum of the first 10 terms of the sequence 3, 5, 7, 9, ..., written as an integer and in big-Sigma notation.
See board for the Sigma notation. The numeric answer is 120.
This common leafy green is native to Persia and is often associated with a specific cartoon character who made his maritime debut in 1929.
What is spinach?
4 + 10 + 16 + ... + 46
What is 200?
This team set the MLB (baseball) record for the most wins in one season with 116 wins and 46 losses.
Who are the 2001 Seattle Mariners?
The 101st term of the sequence 16/9, -48/-27, 144/81, ...
(You can simplify.)
What is 16/9?
17 + 14 + 11 + ... - 31 =
What is -119?
This Mexican beverage is made with plant milk (usually rice) and sweetened with sugar, vanilla, and cinnamon.
What is horchata?
What is -25,165,824?
This was the year when the Seattle Supersonics won the NBA Championship.
What is 1979?
The 8th term in the sequence 18, -108/5, 648/25, ...
What is -5,038,848 / 78,125?