PC 4.2 Extra Practice

Divide using long division:

 $5x^2+7x+6\ by\ x+1$  

•  $5x-2+\frac{4}{x+1}$  

•  $5x+2-\frac{4}{x+1}$  

•  $5x+2+\frac{4}{x+1}$  

•  $5x+12+\frac{18}{x+1}$  

Tags

CCSS.HSA.APR.D.6

Divide using long division:

 $x^4+5x^2-8\ by\ x^2+2$  

•  $x^2-3-\frac{14}{x^2+2}$  

•  $x^2+3-\frac{14}{x^2+2}$  

•  $x^2+3x-\frac{4}{x^2+2}$  

•  $x^2+7+\frac{6}{x^2+2}$  

Tags

CCSS.HSA.APR.D.6

Divide using synthetic division:

 $3x^3+8x^2-x+2\ \ by\ x\ +1$  

•  $3x^2+5x+4-\frac{2}{x+1}$  

•  $3x^2+11x+10+\frac{12}{x+1}$  

•  $3x^2+5x-6-\frac{8}{x+1}$  

•  $3x^2+5x-6+\frac{8}{x+1}$  

Tags

CCSS.HSA.APR.D.6

Divide using synthetic division:

 $x^4+5x+6\ \ by\ x\ -2$  

•  $x^2+7x+20$  

•  $x^3+2x^2+4x+13+\frac{32}{x-2}$  

•  $x+7+\frac{20}{x-2}$  

•  $x^2+2x+9+\frac{24}{x-2}$  

Tags

CCSS.HSA.APR.D.6

What is the remainder when we divide:

 $2x^2+5x+2\ by\ x+2$  

• 1

• 2

• 0

• -1

Tags

CCSS.HSA.APR.B.2

Which of the following is a possible rational root of

 $f\left(x\right)=x^3-7x^2+14x-8$  ?  Check all that apply!

• -4

• 8

• 2

• -1

Which of the following is a possible rational root of

 $f\left(x\right)=x^4+6x^3+7x^2-6x-8$  ?  Check all that apply!

• 6

• 8

• -3

• -2

Which of the following is a possible rational root of

 $f\left(x\right)=4x^3+4x^2-x-1$  ?  Check all that apply!

• -1/4

• 1/2

• -1

• 1

Which of the following are ACTUAL roots of

 $f\left(x\right)=x^3-7x^2+14x-8$  ?  Check all that apply.

• 1

• 2

• 4

• -1

Which of the following are ACTUAL roots of

 $f\left(x\right)=x^3+2x^2-7x+4$  ?  Check all that apply.

• 1

• -2

• -4

• 2