TOPICS - Unit 7 PreTest - Factoring

What is the GCF?
 $28p^3+16p^2+16p$  

•  $2p$  

•  $4p$  

•  $4p^2$  

•  $8p^{2\ }$  

Tags

CCSS.HSA.APR.A.1

Factor completely:
 $6a^2+48a-54$  

•  $\left(a-1\right)\left(a+9\right)$  

•  $6\left(a-1\right)\left(a+9\right)$  

•  $\left(6a-6\right)\left(a+9\right)$  

•  $\left(a-1\right)\left(6a-54\right)$  

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor completely:
 $r^2+r-6$  

•  $\left(r+2\right)\left(r+3\right)$  

•  $\left(r+4\right)\left(r-7\right)$  

•  $\left(r-2\right)\left(r-3\right)$  

•  $\left(r-2\right)\left(r+3\right)$  

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.REI.B.4

Factor out the GCF:
 $56x^2-40x+80$  

•  $8\left(7x^2-5x+10\right)$  

•  $4\left(14x^2-10x+20\right)$  

•  $8\left(7x^2-40x+80\right)$  

•  $8\left(7x^2+x-10\right)$  

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor completely:
 $9x^2-1$  

•  $\left(3x-1\right)^2$  

• Not factorable

•  $\left(3x-1\right)\left(3x+1\right)$  

•  $\left(9v-1\right)\left(9v+1\right)$  

Tags

CCSS.HSA.APR.C.4

Factor completely:
 $x^2+2x+1$  

•  $\left(x+4\right)^2$  

•  $\left(x+1\right)^2$  

•  $\left(x-1\right)\left(x+1\right)$  

•  $\left(x-4\right)^2$  

Tags

CCSS.HSA.APR.C.4

Factor completely:
 $x^2-9$  

• Not factorable

•  $\left(x-3\right)^2$  

•  $\left(x+3\right)\left(x-3\right)$  

•  $x-3$  

Tags

CCSS.HSA.APR.C.4

What is the first step when factoring polynomials?

• Find the GCF

• List all the terms

• Make the X and fill in the top and bottom

• Multiply a and c

Factor out the GCF:
12x + 6

• 6(2x + 1)
• 3(4x + 2)
• 6x(2x + 1)
• 2(6x + 3)

Tags

CCSS.7.EE.A.1

3x²+9x-30=0

• x= 2, -5

• x= 5, -2

• x= -5, -2

Tags

CCSS.HSA-REI.B.4B