HW 5.2.3

Factor:
x² - 25

• ( x + 5 ) ( x - 5 ) 
• ( x - 5 ) ( x - 5 ) 
• ( x + 5 ) ( x + 5 ) 
• Prime

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:
x² - 16

• Prime
• ( x - 4) ( x + 4) 
• ( x - 8) ( x + 8) 
• ( x - 4) ( x - 4) 

Tags

CCSS.HSA.SSE.A.2

Factor: 
x² - 400

• ( x - 200) ( x + 200) 
• ( x + 20) ( x + 20) 
• Prime
• ( x - 20) ( x + 20) 

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor: 
25x² - 100y²

• ( 5x - 10y) (5xy + 10y) 
• ( 5x - 10y)²
• Prime
• ( 5x - 50y) (5x + 50y) 

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:
x² + 81

• Prime (not factorable)
• ( x - 9 ) ( x + 9 ) 
• ( x + 9 ) ( x + 9 ) 
• ( x - 9 ) ( x - 9 ) 

Tags

CCSS.HSA.SSE.A.2

Solve and find your zeros:
z(z - 15)=0

• z=0 and z=15
• z=0 and z=-15
• z=-15
• z=15

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.4

 $\left(7f-3\right)\left(9f+1\right)=0$  

•  $f=\frac{3}{7},\ f=-\frac{1}{9}$  

•  $f=-\frac{3}{7},\ f=\frac{1}{9}$  

•  $f=\frac{3}{7,}\ f=\frac{1}{9}$  

•  $f=-\frac{3}{7},\ f=-\frac{1}{9}$  

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

 $\left(8p-9\right)\left(7p+6\right)=0$  

•  $p=\frac{9}{8},\ p=-\frac{6}{7}$  

•  $p=-\frac{9}{8},\ p=\frac{6}{7}$  

•  $p=\frac{9}{8},\ p=\frac{6}{7}$  

•  $p=-\frac{9}{8},\ p=-\frac{6}{7}$  

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Factor completely: 2x²+22x+60

• (2x+10)(x+6)
• (x+5)(x+6)
• 2(x+1)(x+30)
• 2(x+5)(x+6)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor completely: -5x²+30x-40

• -5(x-2)(x-4)
• (x-2)(x-4)
• -(5x-8)(x-5)
• (5x+10)(x+4)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.B.2

CCSS.HSA.SSE.A.2