Completing the Square

Completing the Square

Multiple Choice

Bell work: Factor

 $X^2+7x+12=0$  

•  $\left(x+4\right)\left(x+2\right)\$  

•  $\left(X+3\right)\left(x-4\right)\$  

•  $\left(x+4\right)\ \left(x+3\right)\$  

•  $\left(x+7\right)\left(x+12\right)\$  

Multiple Choice

Bell work: Solve for X

 $6x^2+5x-4$  

•  $\frac{1}{2}\ and\ \frac{4}{3}$  

•  $\frac{1}{2}\ and\ \frac{-4}{3}$  

•  $\frac{4}{3}\ and\ -\frac{1}{2}$  

•  $3\ and\ \frac{1}{7}$  

Objective: Today we will be able to solve a quadratic equation by completing the square

IXL. C.7 at 90%

Reminders

Example #1

Solve by completing the square

 $X^2+4x=11$  

Example #2; Solve the quadratic equation by completing the square

 $4p^2+20p-192=0$