Quadratics Review #1 Practice - Factoring/Solve by Factoring

Factor the expression: x² + 21x + 38

• (x + 1)(x + 38)

• (x + 2)(x + 19)

• (x - 1)(x - 38)

• (x - 2)(x - 19)

To factor

 $x^2+8x+15$  , find two factors of 15 whose sum is _____.

• 1

• 2

• 8

• 15

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor $k^2-2k-24$  

•  $(k-4)(k+6)$  

•  $(k+4)(k+6)$  

•  $(k+6)(k-1)$  

•  $(k+4)(k-6)$  

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor $x^2+9x-36$  

•  $(x+12)(x-3)$  

•  $(x+9)(x-4)$  

•  $(x-9)(x-4)$  

•  $(x-12)(x+3)$  

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor
3v² - 4v - 7

• (3v-7)(v+1)
• 3(v-7)(v-1)
• (3v+1)(v-9)
• (3v+1)(v-10)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve
2x² + 17x + 21 = 0

• x= ^-21/₂, -17
• x= ²/₃, 16
• x=-7, ^-3/₂
• x=15, -³/₇

Tags

CCSS.HSA-REI.B.4B

x² - 16

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

Tags

CCSS.HSA.APR.C.4

Factor
3v² - 4v - 7

• (3v-7)(v+1)
• 3(v-7)(v-1)
• (3v+1)(v-9)
• (3v+1)(v-10)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

Factor
2x² - 13x - 70

• (2x-7)(x+10)
• (7x+5)(x+2)
• (2x+7)(x-10)
• 2(x+7)(x+10)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:
x² - 25

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

Tags

CCSS.HSA.APR.C.4