Algebra II Exit Ticket: Completing the Square

Fill in the blanks by Completing the Square:  $52\ +_-=x^2+4x+_-$  (hint: use the formula for completing the square)

Which of the following is the correct answer for the blank in the equation?

 $x^2+_-x+16=30$ 

• 4

• -4

• -8

• 8

How can 

 $x^2-6x+11=0$  be rewritten by completing the square?

•  $\left(x+3\right)^2=-20$  

•  $\left(x-3\right)^2=-2$  

•  $\left(x-3\right)^2=-20$  

•  $\left(x+3\right)^2=-2$