HW 5.3 REDO

Solve by completing the square.
 $x^2-8x-20=0$  

•  $x=\left\{-2,\ 10\right\}$  

•  $x=\left\{-10,\ 2\right\}$  

•  $x=\left\{-20,\ -8\right\}$  

•  $x=\left\{8,\ 20\right\}$  

Solve by completing the square.
 $x^2-12x+20=0$  

•  $x=\left\{2,\ 10\right\}$  

•  $x=\left\{-10,\ -2\right\}$  

•  $x=\left\{-12,\ 20\right\}$  

•  $x=\left\{12,\ 20\right\}$  

Solve by completing the square.
 $x^2-4x-20=0$  

•  $x=\left\{\pm6\sqrt{2}-2\right\}$  

•  $x=\left\{\pm6\sqrt{2}+2\right\}$  

•  $x=\left\{\pm2\sqrt{6}+2\right\}$  

•  $x=\left\{\pm2\sqrt{6}-2\right\}$  

Solve by completing the square.
 $x^2-6x-59=0$  

•  $x=\left\{\pm2\sqrt{17}+3\right\}$  

•  $x=\left\{\pm17\sqrt{2}+3\right\}$  

•  $x=\left\{\pm2\sqrt{17}-3\right\}$  

•  $x=\left\{\pm17\sqrt{2}-3\right\}$  

Solve by completing the square.
 $x^2-4x-5=0$  

•  $x=\left\{-5,\ 1\right\}$  

•  $x=\left\{-1,\ 5\right\}$  

•  $x=\left\{-5,\ -1\right\}$  

•  $x=\left\{1,\ 5\right\}$  

Solve by completing the square.
 $x^2-8x-14=0$  

•  $x=\left\{\pm\sqrt{30}+4\right\}$  

•  $x=\left\{\pm\sqrt{4}+30\right\}$  

•  $x=\left\{\sqrt{30}+4\right\}$  

•  $x=\left\{\sqrt{30}-4\right\}$  

Complete the square.
x² + 6x + ____

• x² + 6x + 9
• x² + 6x - 36
• x² + 6x + 36
• x² + 6x - 9

Complete the square for
x² + 12x + ____

• x² + 12x + 144
• x² + 12x + 36
• x² + 12x - 36
• x² + +12x - 144

Complete the square.
x² + 14x + ____

• x² + 14x - 196
• x² + 14x + 49
• x² + 14x - 49
• x² + 14x + 196

Complete the Square
x² + 10x + ____

• x² + 10x - 100
• x² + 10x + 100
• x² + 10x - 25
• x² + 10x + 25