10. Quadratic Equations

Solve each quadratic equation. If roots are not real, use $i$.

$2x^2+18=0$

Solve each quadratic equation. If roots are not real, use $i$.

$\frac{w^2}{4}+8=0$

Solve each quadratic equation. If roots are not real, use $i$.

${(3z-1)}^2+5=0$