12. Quadratic Equations and Functions

Solve each quadratic equation using the square root property.

$2y^2=54$

Solve each quadratic equation using the square root property.

$3x^2+3=51$

Solve each quadratic equation using the square root property.

${(2z-3)}^2=16$

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 $i$.

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