Alg 1 Chapter 7

Factoring by GCF

100

4x^2-3x

x(4x-3)

200

10y^3+20y^2-5y

5y(2y^2+4y-1)

300

33d^3+22d+11

11(3d^3+2d+1)

400

-15f-10f^2

-5f(3+2f)

500

14x^3+63x^2-7x

7x(2x^2+9x-1)

Factoring by Grouping

100

x^3+4x^2+2x+8

(x^2+2)(x+4)

200

6x^3+4x^2+3x+2

(2x^2+1)(3x+2)

300

4b^3-6b^2+10b-15

(2b^2+5)(2b-3)

400

9x^3+18x^2+x+2

(x+2)(9x^2+1)

500

12a^3-9a^2+20a-15

(4a-3)(3a^2+5)

Factoring Trinomials a=1

100

x^2+4x-21

(x+7)(x-3)

200

x^2+9x-36

(x+12)(x-3)

300

x^2-12x-13

(x-13)(x-1)

400

x^2-10x-24

(x-12)(x+2)

500

x^2-9x+18

(x-3)(x-6)

Factoring Trinomials a>1

100

2x^2+11x+5

(x+5)(2x+1)

200

4x^2-9x+5

(4x-5)(x-1)

300

2y^2-11x+14

(2y-7)(y-2)

400

4y^2+7y-2

(y+2)(4y-1)

500

2x^2-7x-15

(x-5)(2x+3)

Challengers

100

x^2-6x+9

(x-3)^2

200

6x^4-3x^3-9x^2

3x^2(x+2)(x-2)

300

2z^2+11z+6

unfactorable

400

7x^5+21x^4-28x^3

7x^3(x+4)(x-1)

500

4x^3+8x^2+4x

4x(x+1)^2

Random Trivia

100

In the TV show "The Simpsons", which breed of dog is Santa's Little Helper?

Greyhound

200

In the famous logo, what is the Morton Salt girl holding in her right hand?

An Umbrella

300

What date did man first land on the moon?

July 20, 1969

400

With which Major League team did Randy Johnson make his 1988 debut?

The Montreal Expos

500

A group of wild cats are called what?

A destruction