Math Jeopardy

Name That Equation

100

a² + b² = c²

Pythagorean Theorem

200

c = 2π r

Circumference of a circle

300

x = (-b± √ (b² - 4ac))/2a

Quadratic formula

400

A = P(1 + r/n)^nt

Compound Interest Formula

500

S_n = (a(rⁿ - 1))/(r-1)

Sum of a finite geometric series

Areas and Volumes

100

Area of a square

A = lw

200

Area of a triangle

A = bh/2

300

Area of a circle

A = πr²

400

Volume of a cylinder

πr²h

500

Volume of a square base pyramid

l²h/3

Shapes and Angles

100

What is the sum of the interior angles of a triangle?

180 degrees

200

In a right triangle, what is the name of the side opposite the right angle?

The hypotenuse

300

Define complimentary angles

The sum of the angle measures is 90 degrees

400

What is the sum of all angle measures in a regular hexagon?

720 degrees

500

If a right triangle has a non-hypotenuse side length of 8cm and a hypotenuse side length of 19cm, what is the side length of the final side?

√297 or roughly 17.2

Solving Equations

100

Solve for x:

2x + 3 = 9

x = 3

200

Factor the expression x² - 4 = 0

(x+2)(x-2) = 0

300

Expand the expression (2x + 3)(x - 1)

2x² + x - 3

400

Solve the system of equations:

2x + 3y = 7

4x - y = 6

x = 25/14

y = 8/7

500

2^{2x + 1}(2^x) = 16

x = 1

Number Theory

100

Which of these is a prime number: 51 or 53

53

200

What is the smallest prime number?

2

300

Find the prime factorization of 52

13 x 2 x 2

400

Is 2023 divisible by 3?

No

500

Are 39 and 130 coprime?

Coprime -- two integers are coprime if they share a factor other than 1

No, they are not coprime -- they share the factor 13