Bell Work Friday 11/06: Solving by Square Roots

Friday 11/06: Solving by Square Roots

Happy Friday!

Multiple Choice

Solve:

 $x^2=49$  

•  $x=\pm\sqrt{7}$  

•  $x=\pm7$  

•  $x=7$  

•  $x=24.5$  

Multiple Choice

Solve:

 $2x^2=2$  

•  $x=\pm\sqrt{2}$  

•  $x=1$  

•  $x=\pm1$  

•  $x=-1$  

Open Ended

Why can't we take the square root of a negative number? Be as specific as possible in your answer.