Complete the square

Factor the perfect square trinomial:
x² + 16x + 64

• (x+8)²
• (x-8)²
• (x-4)²
• (x+4)²

Is this a perfect square trinomial?
x² + 18x + 9

• Yes
• No

Tags

CCSS.HSA.APR.C.4

Is this a perfect square trinomial?
x² + 10x + 25

• Yes
• No

What value of c would make this a perfect sqaure trinomial?
x² +8x + c

• 4
• 16
• 64
• -16

Tags

CCSS.HSA-REI.B.4B

 $x^2-2x-8=0$  Solve the equation by completing the square:

•  $x=\left\{-12,6\right\}$  

•  $x=\left\{-2,4\right\}$  

•  $x=\left\{4\right\}$  

•  $x=\left\{-4,\ 2\right\}$  

Tags

CCSS.HSA-REI.B.4B

Complete the Square and solve the equation.
 $x^2-12x+19=0$  

•  $x\ =\left\{-6\ -\ \sqrt{19},\ -6\ +\ \sqrt{19}\right\}$  

•  $x\ =\left\{6\ -\ \sqrt{19},\ 6\ +\ \sqrt{19}\right\}$  

•  $x\ =\left\{-15\ -\ \sqrt{23},\ -15+\ \sqrt{23}\right\}$  

•  $x\ =\left\{6\ -\ \sqrt{17},\ 6\ +\ \sqrt{17}\right\}$  

Tags

CCSS.HSA-REI.B.4B