Algebra
Geometry
Trignometry
Random
Challenge
100

2a + 3 = 39

18

100

(Draw figure of a right triangle with sides 6 and 8) What is the hypothenuse and area

24 un^2, 10un

100

What does trigonometry study

Sides of a triangle

100

3/8 as a decimal

0.375

100

Which 3 digit number had all digits odd, between 400 and 600, digits added are 15, and last digit is 7

537

200

xy is 21. x and y are positive integers. What is x + y

10

200

(Draw right triangle with sides 3 and 4 with a rectangle on the hypothenuse with sides 2.5 and 8 when 2.5 is on the hypothenuse) Find the area

26un^2

200

What is a cosine

Adjacent / Hypothenuse

200

3/8 * 1/10 * 1/5 as a decimal

0.0075

200

x^x + x = 20

x = -5,4

300

What is the golden ratio,which symbol represents it, and what does it mean.

1.618,the rest can be explained by me

300

Find the area of a sphere with radius 4. pi in terms of pi

21.333 pi un^3

300

What is a sine

Opposite / Hypothenuse

300

Using only 4 2s, what is the biggest number you can make using any sign but only using it once

(2 ^^ (2 ^^22!))

300

lcd (28,57,82)

2 * 2 * 7 * 7 * 59 . Or 11564

400

(x+1)(x+3)>= 0

What is the domain for this equation

(-inf,-3] U [1,inf)

400

What is a 4D square

A hypercube

400

What is a tangent

Opposite / Adjacent

400

What is a 3D, 20 faced shape called?

Icosahedron

400

cos(pi) (Approximate value)

~1

500

Expand (X + R1)(X + R2)(X + R3) When R1,2,3 are the roots of x^3 +6x^2 + 11x + 6.

x^3 -6x^2 + 11x - 6

500

What is the "area" of a hypercube called

Hypervolume

500

Which quadrant(s) is tan(x) greater generally than cos(x) or sin(x)

Quadrant 1 and 2

500

What is the space diagonal with a cube with sides of 1

square root of 3

500

When does y = 12 cos(cos(2x)) equal to 6.483 and 12. Give your answers in coordinate planes

(pi/4, 12),(pi/2,6.483)
M
e
n
u