Algebra I/II
Geometry/Trig
Pre-calc/Calculus
Statistics
Riddles
200
What is the quadratic formula?
200
If two angles have the same measure, what do we call them?
Congruent
200
What is the limit of
(x^2 − 1)/(x − 1)
as x approaches 1?
2
200
What are the 4 methods of collecting data?
Sample, experiment, census, and simulation
200
How many tables can eight guys construct in eight hours if four men can construct four in four?
16
400
Solve for x: x + 2 = 3x - 4
x = 3
400
What does SOH-CAH-TOA stand for?
Sin = opposite/hypotenuse, Cos = adjacent/hypotenuse, Tan = opposite/adjacent
400
If f(x) = 3x3 + 5x2 + 11x + 4, what is f''(x)?
18x + 10
400
What r value represents a perfect negative linear correlation?
r = -1
400
In reply to an inquiry about the animals on his farm, the farmer says: “I only ever keep sheep, goats, and horses. They are all sheep but three, all goats but four, and all horses but five.” How many does he have of each animal?
3 sheep, 2 goats, and 1 horse
600
What is an irrational number?
A number that cannot be defined as a fraction of integers
600
How many radians is 150 degrees?
5/6 pi
600
What do you have to add to the end of every indefinite integral?
+ C
600
All other things remaining equal, what is smaller: a 90% confidence interval or a 95% confidence interval
90%
600
How many handshakes will occur in a meeting with 7 people if each pair shakes hands once? (Hint: combinations)
21
800
How many real solutions does the quadratic equation f(x) = 25x2 + 180x - 5 have?
2 real solutions.
800
What do the internal angles of a hexagon add up to?
720 degrees
800
Which theorem states that if a function f is continuous on [a, b] and N is any number between f(a) and f(b), there exists a number c within (a, b) where f(c) = N?
Intermediate Value Theorem
800
What is the pattern for a residual plot of linear data?
There is no pattern
800
A 300-foot-long train moving 300 feet per minute wants to pass through a 300-foot tunnel. How much time will the train need to pass through the tunnel?
2 minutes
1000
What is the vertex of the parabola y = 6(x-8)2 + 2?
(8, 2)
1000
A triangle consists of 3 angles measuring 90, x, and 2x degrees. If the hypotenuse is 3 inches what is the length of the smallest side?
1.5 inches
1000
Name the types of convergence tests for series. (Whichever team names more wins!)
Divergence Test, Integral Test, Comparison Test, Limit Comparison Test, Alternating Series Test, Ratio Test, Root Test, Absolute Convergence Test
1000
What percentage of data on a standard normal curve lies above z=3?
About 0.15%
1000
When does adding 6 to 11 result in 5?
When you're dealing with time!