factoring quadratic expressions

Factor:  x² + 13x + 30

• (x + 3)(x + 10)
• (x + 5)(x + 6)
• (x + 2)(x + 15)
• (x + 1)(x + 30)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Factor:  x² - 2x - 24

• (x + 6)(x - 4)
• (x + 4)(x - 6)
• (x - 4)(x - 6))
• (x - 3)(x + 8)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor: $x^2+7x+12$  

• (x + 3)(x + 4)

• (x + 6)(x + 2)

• (x - 3)(x - 4)

• (x + 1)(x + 12)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor: $x^2+6x-27$  

• (x - 9)(x + 3)

• (x + 9)(x - 3)

• (x + 3)(x + 3)

• (x + 9)(x + 3)

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:  6x² + 9x

• (6x + 1)(x + 3)
• (3x + 1)(2x + 3)
• 3x(2x + 3)
• 6x(x + 3)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:  3x² - 10x + 8

• (3x - 2)(x - 4)
• (3x - 4)(x - 2)
• (3x - 4)(x + 2)
• (3x + 4)(x - 2)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

7x² − 31x − 20

• (7x + 4)(x − 5)

• (7x - 4)(x − 5)

• (7x + 4)(x + 5)

• (7x - 4)(x − 5)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

7k² + 9k

• k(7k - 9)

• k(7k + 9)

• 7k(k + 9)

• (k+3)(7k + 3)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

x² - 25

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

Tags

CCSS.HSA.APR.C.4

Factor completely.
 $4x^2-49$  

• (2x + 7)(2x + 7)

• (2x + 7)(2x - 7)

• (2x - 7)(2x - 7)

• (4x + 7)(4x - 7)

Tags

CCSS.HSA.APR.C.4