Unit 7 Review

Polynomial Operations

100

Simplify:

(2x²+10x+4) + (4x² -3x +1)

6x²+7x+5

200

Simplify:  

(10y² + 7y + 8) - (2y² - 6y + 3)

8y² + 13y + 5

300

Simplify: 

2a⁵b³(10ab⁴ + 6a³ - 4b⁷)

*ANSWER MUST BE IN STANDARD FORM. 

12a⁸b³ + 20a⁶b⁷ - 8a⁵b¹⁰

400

Simplify: (2a+5b)²

*ANSWER MUST BE IN STANDARD FORM. 

4a² + 20ab + 25b²

Factoring

100

What should you always look for first when factoring?

GCF (Greatest Common Factor) 

200

Factor completely:     

12x³y + 18xy

6xy (2x² +3)

300

Factor completely:   

y⁴ - 144

(y² + 12)(y² - 12)

400

Factor completely:    

7x⁵ -7x

7x (x² + 1)(x + 1)(x - 1)

Factoring

100

Factor completely: 

36y² - 49

(6y + 7)(6y - 7)

200

Factor:  

x² + 11x + 30

(x+6)(x+5)

300

Factor:    

3y² + 7y - 6

(y +3)(3y - 2)

400

Factor completely:   

30x³y - 26x²y - 4xy

2xy (x - 1)(15x +2)

Factor & Solve

100

Factor AND solve:     

x² + 9x + 20 = 0

*Answers must be in the correct notation. 

x = {-5, -4}

200

Factor AND solve:    

7x² + 21x = 0

*Answer must be in the correct notation. 

x = {-3, 0}

300

Factor AND solve:    

25x² - 16 = 0

*Answer must be in the correct notation. 

x = {-4/5, 4/5}

400

Factor AND solve:      

3x² - 6x + 3

*Answer must be in the correct notation. 

x = {1}

Misc.

100

What is the name of the principal and two assistant principals?

Swensen, Lowell, Peterson

200

Name one of the universities Ms. Raab studied at. 

URI or SHU 

300

How old is Ms. Raab? 

25

400

What are Ms. Raab's two dogs names? 

Teddy and Tanner