Mrs. Berns' 2021 Algebra 2B Factoring Review

Laws of Exponents

100

(3x²)(-5x⁴)

-15x⁶

200

(9x^4)/(3x^2)

3x²

300

(3x²)³

27x⁶

400

(-3x⁴y²)(6x²y⁵)

-18x⁶y⁷

500

(6x^3)^2/(9x^4)

4x²

Multiplying Polynomials

100

(x - 3)(x + 4)

x² + x - 12

200

(2x + 3)(x - 1)

2x² + x - 3

300

(x + 3)²

x² + 6x + 9

400

(x - 4)²

x² - 8x + 16

500

(x - 1)(x + 3)²

x³ + 5x² + 3x - 9

Factoring (Level 1)

100

6x² - 12x

6x(x - 2)

200

x² - x - 42

(x - 7)(x + 6)

300

x² + 4x - 21

(x + 7)(x - 3)

400

x² - 12x +36

(x - 6)²

500

2x² + 10x +12

2(x +2)(x + 3)

Factoring (Level 2)

100

x² - 9

(x + 3)(x - 3)

200

9x² - 16

(3x² + 4)(3x² - 4)

300

2x² + 9x + 9

(2x + 3)(x + 3)

400

4x² + 20x + 25

(2x + 5)²

500

Factor completely:  

4x² - 16

4(x + 2)(x - 2)

Misc.

100

What time does school start and get out each day?

7:25am

2:45pm

200

The train leaves the station at 8:39 am and travels at 75 mph, and another train leaves at 9:01 and travels at 73 mph. This is the MRHS mascot.

Grizzlies

300

True or False...Mrs. Berns puts all assignments on Schoology. 

TRUE

400

What does this math symbol mean?

>=

greater than or equal to

500

Factor: x² + 9

Not Factorable!

(It's a sum, not a difference!)