# Test: Quadratic Equations I - Normal

Double click on maths expressions to zoom
Question 1:   Solve: ${x}^{2}=4$
$x=0$
$x=±2$
$x=2$
$x=-2$
Question 2:   Solve: ${x}^{2}-16=0$
$x=±4$
$x=4$
$x=0$
$x=-4$
Question 3:   Solve: $2{x}^{2}+5=0$
$-\frac{\sqrt{10}}{2}$
$±\frac{\sqrt{10}}{2}$
$\frac{\sqrt{10}}{2}$
Question 4:   $3{x}^{2}-27=0$
$x=3$
$x=9$
$x=±3$
$x=\frac{1}{3}$
Question 5:   Solve: ${x}^{2}-x=0$
$x=1$
$x=-1$
$\begin{array}{l}x=0orx=1\end{array}$
$x=0$
Question 6:   Solve: ${x}^{2}-6x=0$
$\begin{array}{l}x=0orx=6\end{array}$
$x=±6$
$x=0$
$x=6$
Question 7:   Solve: $2{x}^{2}+x=0$
$\begin{array}{l}x=0orx=\frac{1}{2}\end{array}$
$\begin{array}{l}x=0orx=-\frac{1}{2}\end{array}$
$x=±\frac{1}{2}$
$x=-\frac{1}{2}$
Question 8:   Solve: $-3{x}^{2}-x=0$
$\begin{array}{l}x=0orx=\frac{1}{3}\end{array}$
$\begin{array}{l}x=0orx=-\frac{1}{3}\end{array}$
$x±\frac{1}{3}$
$x=0$
Question 9:   Solve ${x}^{2}-3x+2=0$
$\begin{array}{l}x=1orx=-2\end{array}$
$\begin{array}{l}x=2orx=1\end{array}$
$\begin{array}{l}x=-1orx=2\end{array}$
$\begin{array}{l}x=-1orx=-2\end{array}$
Question 10:   Solve: ${x}^{2}-x-2=0$
$\begin{array}{l}x=2orx=-1\end{array}$
$\begin{array}{l}x=2orx=-2\end{array}$
$\begin{array}{l}x=1orx=-2\end{array}$
$\begin{array}{l}x=1orx=-1\end{array}$