Quiz 8.1-8.2

Solve by factoring:  $8y^2+2y-3=0$  

•  $-\frac{3}{4}$  

•  $\frac{3}{4}$  

•  $-\frac{1}{2}$  

•  $\frac{1}{2}$  

Write a quadratic equation with integer coefficients that has the given solutions:  $\frac{7}{2}and\ -\frac{1}{4}$  

•  $8x^2+26x\ +\ 7\ =\ 0$  

•  $8x^2-26x-7$  

•  $8x^2-26x-7=0$  

•  $x^2+\frac{13}{4}x\ -\ \frac{7}{8}=0$  

Solve by taking square roots:  $\left(x+5\right)^2+16\ =\ 0$  

•  $5\pm4i$  

•  $-5\pm4i$  

•  $-1$  

•  $-5\ +\ 4i$  

Solve by completing the square.  $t^2-4t+8\ =\ 0$  

•  $-2\pm2i\sqrt{2}$  

•  $2\pm2i\sqrt{2}$  

•  $2\pm2i$  

•  $-2\pm2i$  

Solve by using the quadratic formula.  $12t^2=5t+2$  

•  $\frac{-5\pm i\sqrt{71}}{24}$  

•  $8$  

•  $\frac{2}{3}$  

•  $-\frac{1}{4}$  

•  $-3$