Rational Expressions
Factoring
Radicals
Solving Quadratics
Random Facts
100

Simplify x/(3x)

1/3

100

Factor x2 - 25

(x + 5)(x - 5)

100

Change to root using flower power: x5/2

Sqrt(x5)

100

Solve x2 = 121

x = +/-11

100

What is the oldest living land animal?

A tortoise named Jonathan (192 years old)

200

Simplify (x2 - 4)/(x2 - 3x + 2)

(x + 2)/(x - 1)

200

Factor x2 - 8x + 12

(x - 6)(x - 2)

200

Simplify the square root of 48

4sqrt(3)

200

Solve x2 + 4 = 0

x = +/-2i

200

What percent of the human population lives in the northern hemisphere?

90%

300

Describe how to divide rational expressions

Change the problem to multiplication by flipping the 2nd fraction, factor and cancel like terms
300

Factor 3x2 + 12x - 15

3(x + 5)(x - 1)

300

Simplify the square root of 64x8y4z10

+/-8x4y2z5

300

Solve x2 + 9x = -20

x = -4, -5

300

What's the only food that never spoils?

Honey

400

Multiply: (x - 3) * (4)/(2x - 6)

2

400

Factor 2x2 - 5x + 2

(2x - 1)(x - 2)

400

Simplify the cube root of 27x9y13

3x3y4cbrt(y)

400

Solve -5x + x2 = 0

x = 0, 5

400

Is the longest word in the English language more or less than 50,000 letters long?

More --> 189,819 letters