Math Review

Geometry

100

What is the distance across a circle through the centerpoint called?

Diameter

200

What is the distance from the centerpoint of a circle to the boundary called?

Radius

300

What is the formula for area of a circle?

pi r²

400

What is the formula for surface area of a sphere?

4 pi r²

500

What is the volume of a cone that has a radius of 7" and a height of 11"?  Only use decimals to 2 places behind the decimal point.

564.44 sq in

Algebra

100

What is the value of x in the following equation?

16x - 7 = 229

x = 21

200

What does x = in the following equation?

14x - 34 = -9x + 12

x = 2

300

What are these things called?

(8x + 5)

(-12x -9)

Binomials

400

What is this called?

-46x² + 27x -12

Trinomial

or 

Linear Equation

Negative Exponents

100

1/2^-2 =

4

200

11^-3 = 

1/1331

300

3/4^-2 = 

16/9

Who Knows

100

What country is considered by most of the world to have the most beautiful Christmases?

Finland

200

How many teeth does an adult hippo have?

36

300

Who is considered to be the fastest human alive today?

Noah Lyles

400

What is the most common main dish at Christmas dinner in the US? Two answers are tied for this.  Either is acceptable.

Turkey or Ham

500

Name one person who created Twitter

Jack Dorsey, Noah Glass, Biz Stone or Evan Williams

Roots and Powers

100

Sq root of 289 = ?

17

200

What is 14^{3 ?}

2744

300

What is -6⁵

-7776