Formative 9.C Review

Solve the factored quadratic  $\left(x-5\right)\left(x+3\right)=0$  .

• {-5,3}

• {-5,-3}

• {5,3}

• {5,-3}

Solve the factored quadratic  $\left(y-4\right)\left(3x-1\right)=0$  .

•  $\left\{-4,-\frac{1}{3}\right\}$  

•  $\left\{-4,\frac{1}{3}\right\}$  

•  $\left\{-\frac{1}{3},4\right\}$  

•  $\left\{\frac{1}{3},4\right\}$  

Solve the factored quadratic  $\left(4x+3\right)\left(2x-3\right)=0$  .

•  $\left\{-\frac{3}{2},-\frac{3}{4}\right\}$  

•  $\left\{-\frac{3}{2},\frac{3}{4}\right\}$  

•  $\left\{-\frac{3}{4},\frac{3}{2}\right\}$  

•  $\left\{\frac{3}{4},\frac{3}{2}\right\}$  

Solve by factoring  $x^2-36=0$  

•  $\left\{0,6\right\}$  

•  $\left\{6\right\}$  

•  $\left\{-6,6\right\}$  

• No Solution

Solve by factoring $4x^2-81=0$  

•  $\left\{-\frac{9}{2},\frac{9}{2}\right\}$  

•  $\left\{0,\frac{9}{2}\right\}$  

•  $\left\{\frac{9}{2}\right\}$  

• No Solution

Solve by factoring  $x^2=121$  

•  $\left\{11\right\}$  

•  $\left\{-11\right\}$  

•  $\left\{-11,11\right\}$  

• No Solution

Solve by factoring  $x^2-5x=0$  

•  $\left\{0\right\}$  

•  $\left\{5\right\}$  

•  $\left\{0,5\right\}$  

•  $\left\{-5,0\right\}$  

Solve by factoring  $x^2+3x=0$  .

•  $\left\{0\right\}$  

•  $\left\{3\right\}$  

•  $\left\{0,3\right\}$  

•  $\left\{-3,0\right\}$  

Solve by factoring  $5x^2+50x=0$  .

•  $\left\{-10\right\}$  

•  $\left\{0\right\}$  

•  $\left\{0,10\right\}$  

•  $\left\{-10,0\right\}$  

Solve by factoring  $x^2-6x+8=0$  .

•  $\left\{-4,-2\right\}$  

•  $\left\{-2,4\right\}$  

•  $\left\{2,4\right\}$  

• No solution