Factoring Quadratic Trinomials

Factor: x² – 5x – 24

• (x - 5)(x + 19)
• (x - 8)(x + 3)
• (x - 3)(x + 8)
• (x - 19)(x + 5)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.REI.B.4

Factor: x² + 2x – 3

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

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

k²-13k+40

• (k-10)(k+40)
• (k-5)(k-8)
• (k+5)(k-8)
• (k+10)(k-40)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Factor:
 x² + 2x – 3

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

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.B.3

Factor
n² + 16n + 63

• (n-7)(n+4)
• (n+7)(n-9)
• (n-3)(n-10)
• (n+7)(n+9)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

2) Factor: m² + 8m + 15

• (m + 2)(m +6)

• (m + 1)(m + 7)

• (m + 4)(m + 4)

• (m + 3)(m + 5)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

To factor

 $x^2-10x-24$ , which of the following factors of $-24$  must be chosen in the process?

•  $-2,\ 12$  

•  $-6,\ -4$  

•  $2,\ -12$  

•  $-6,\ 4$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

The following are examples of quadratic trinomials EXCEPT:

• $x^2+2y+1$

• $3a-2a+4$

• $2y^2+x-4$

• $z^2-5z+6$

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

A student factored: $k^2+13k+42$ . She found that 1 factor was  $\left(k+6\right)$ .  What was the other factor? 

•  $\left(k+5\right)$  

•  $\left(k+6\right)$  

•  $\left(k+7\right)$  

•  $\left(k+8\right)$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.B.2