Review Solving Quadratic Functions

Solve using Completing the square

x² + 2x− 46 = 2

• $x\ =\ \left\{-1\pm\sqrt{3}\right\}$

• $x\ =\ \left\{-6,\ 8\right\}$

• $x\ =\ \left\{1\pm\sqrt{3}\right\}$

• $x\ =\ \left\{-8,\ 6\right\}$

Solve using Completing the square
 $x^2−4x−39=6$  

•  $x\ =\ \left\{-5,\ 9\right\}$  

•  $x\ =\ \left\{2\pm3\sqrt{2}\right\}$ 

•  $x\ =\ \left\{2\pm\sqrt{5}\right\}$ 

•  $x\ =\ \left\{-9,\ 5\right\}$ 

Solve using Completing the square
 $x^2−12x+30=−5$  

•  $x\ =\ \left\{-5,\ -7\right\}$  

•  $x\ =\ \left\{1,\ 11\right\}$ 

•  $x\ =\ \left\{5,\ 7\right\}$ 

•  $x\ =\ \left\{-11,\ -1\right\}$ 

Solve using Completing the square
 $7x^2+14x−15=6$  

•  $x\ =\ \left\{1\pm\sqrt{3}\right\}$  

•  $x\ =\ \left\{-3,\ 1\right\}$ 

•  $x\ =\ \left\{-1,\ 3\right\}$ 

•  $x\ =\ \left\{-1\pm\sqrt{3}\right\}$ 

 $4x^2+16x=48$  

Solve using factoring 
 Check  $ALL$   Solutions that apply:

•  $-2$  

•  $-8\pm4\sqrt{7}$  

•  $-6$  

•  $8\pm4\sqrt{7}$  

•  $2$  

 $x^2+7x=−6$  

Solve using factoring 
 Check  $ALL$   Solutions that apply:

•  $-1$  

•  $3.5\pm\sqrt{6.25}$  

•  $-6$  

•  $8\pm4\sqrt{7}$  

•  $1$  

 $x^2+13x=−42$  

Solve using factoring 
 Check  $ALL$   Solutions that apply:

•  $7$  

•  $-7$  

•  $-6$  

•  $6$  

 $x^2+6=5x$  

Solve using factoring .
ONLY enter the greatest value that would be a solution.