Trigonometry
Calculus
Statistics
Applied Math
Logic Puzzles
400

The ratio of the opposite side to the hypotenuse in a right triangle.

Sine

400

The integral of a function gives what value of its graph?

The area under the curve.

400

This measure shows how much the values in a data set vary or spread out from the mean.

The standard deviation

400

This is when you use algebra to balance a chemical equation.

Stoichiometry

400

If it takes 3 men 3 hours to paint 3 fences. How long does it take 1 man to paint 1 fence?

3 hours.

800

What is the reciprocal function of cosine?

Secant

800

This rule helps find the limit of a quotient when both numerator and denominator approach zero.

L'Hopital's rule

800

This is the process of selecting a subset of individuals from a population to estimate characteristics of the whole group.

Sampling

800

A type of game theory where ratios and outcomes of actions lead to participants making the same choice regardless of others.

Nash Equilibrium

800

A ship has a rope ladder hanging off its side 10 feet below into the water. There are rungs on the ladder that are a foot apart. If the tide rises 2 feet, how many rungs become submerged?

None, since the boat also rises.

1200

This law relates the ratios of side lengths of any triangle to the sines of their opposite angles.

The law of sines.

1200

Is a point a minimum or a maximum if the derivative of the function is zero and the second derivative is zero at the point?

Neither

1200

This is the name for the long-term average result of a random variable.

The expected value

1200

This area of math is used when determining possible outcomes for gene expression and inheritance in biology.

Probabilities and Statistics

1200

How many people need to be in the room for there to be a 50% chance for two of them to share a birthday? 23, 50, or 182?

23

1600

What can sin(2θ) be rewritten as using a double angle identity? 

2sinθcosθ

1600

Which test must you use to find the interval of convergence of a series?

The ratio test

1600

This term describes how likely it is that a sample result occurred by random chance.

P-value

1600

What kind of math would you use to find component forces in physics?

Trigonometry

1600

A farmer has an infinite amount of fencing and wants to use all of it to enclose a finite area. What shape should the farmer build the pen in?

A fractal.

2000

[1-cos(2θ)]/2 can be rewritten as what using half angle identities?

sin2θ 

2000

What are the conditions to use the squeeze theorem when comparing limits of functions?

A function must be between two functions and those two functions approach the same y value at the given x value. (f<g<h, f and h approach the same value)

2000

The range that contains 50% of the data, falling between the first and third quartiles.

The interquartile range

2000

This concept from math is vital in art, surprisingly, in terms of proportions.

The golden ratio

2000

Like in Hilbert's Hotel, how can a hotel with infinite rooms that are filled with an infinite number of guests accommodate one more guest?

By making the guest move one room down.

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