Factoring Review Jeopardy

Binomials

100

Factor: 2x² + 14x

2x(x + 7)

200

Factor:
8a - 16

8(a - 2)

300

Factor and solve: 
25z² - 125z = 0

25z(z - 5)=0

z = 0, z = 5

400

Solve for x:
-15x² + 5x = 0

-3x(5x+1)

x = 0 and  x = -1/5

500

just factor: x² - 4

(x+2)(x-2)

Trinomial (a=1)

100

Factor:
x² + 8x + 12 

(x + 2)(x + 6)

200

Factor:
x² - 6x + 8

(x - 4)(x - 2)

300

Factor and solve:
x² - 10x - 24 = 0

(x - 12)(x + 2) = 0

x = 12 and x = -2

400

factor and solve:

x² - 14x =  72

(x - 18)(x + 4)=0

x= 18 and x = -4

500

Factor and Solve:
9x³ - 45x² = -54x 

9x(x-2)(x-3)=0

x=0,  x=2, x=3

Binomials #2

100

Factor: x² - 1

(x+1)(x-1)

200

Factor:
x² - 25

(x - 5)(x + 5)

300

Factor:
81x² - 1

(9x - 1)(9x + 1)

400

Factor and solve
x² + x - 101  = x - 1

(x - 10)(x + 10) = 0

x = 10 and x = -10

500

Solve for x by factoring:
9x² - 4 = 0

(3x + 2)(3x - 2)= 0

x = 2/3 and x = -2/3 

Factoring a > 1

100

Factor: 

2x² +9x+ 10

(2x + 5)(x + 2)

200

Factor:

3x² +8x+ 5

(3x + 5)(x + 1)

300

Factor:

10x² +x - 3

(2x - 1)(5x +3)

400

Factor and solve:

16x² +31x - 2

(16x - 1 )(x + 2 ) = 0

x = 1/16  and  x = -2

500

Solve for x by factoring:

8x² = 19x - 6

(8x - 3)(x - 2) = 0

x= 3/8 and x = 2

Random

100

Which is wider: the moon or australia?

Australia

200

True or false: Honey never goes bad

True

300

Which US state name can be typed using only one row of the standard computer keyboard?

ALASKA

400

What is a baby hedgehog called?

A hoglet

500

How many hours per day do cats sleep on average?

15