9-1-9-3a Quiz

9-1: Simplify the expression: 

 $\sqrt{112x^3}$ 

•  $56x\sqrt{x}$  

•  $2x\sqrt{28x}$  

•  $2x\sqrt{28x^2}$  

•  $8\sqrt{x^3}$  

•  $4x\sqrt{7x}$  

9-1: Simplify the expression.

9-1: Simplify the expression: 

 $\frac{4}{\sqrt{11}}$ 
 

•  $\frac{4}{11}$  

•  $11$  

•  $\frac{4\sqrt{11}}{11}$  

•  $\frac{44}{\sqrt{11}}$  

•  $\frac{4\sqrt{11}}{121}$  

9-1: Simplify the expression: 

 $\frac{6}{5+\sqrt{3}}$  

•  $\frac{25\sqrt{3}}{22}$  

•  $\frac{30-6\sqrt{3}}{22}$  

•  $\frac{5-\sqrt{3}}{5+\sqrt{3}}$  

•  $\frac{5-\sqrt{3}}{5-\sqrt{3}}$  

•  $\frac{5-\sqrt{3}}{22}$  

9-2: Determine the number of solutions of the quadratic function pictured in the graph.

9-2: Use the graph to solve the quadratic equation.

9-2: Use the graph to solve the quadratic equation.

9-2: Use the graph to solve the quadratic equation.

9-1: Simplify the expression. 

 $\frac{10}{\sqrt{8}-\sqrt{10}}$  

•  $\frac{20\sqrt{18}}{-\sqrt{2}}$  

•  $\frac{\sqrt{2}}{-2}$  

•  $\frac{10\sqrt{8}-10\sqrt{10}}{2}$  

•  $\frac{10\sqrt{8}+10\sqrt{10}}{-2}$  

•  $\frac{10}{-\sqrt{2}}$  

9-2: Solve the equation by graphing.

  $x^2+9x+14=0$