# Test: Quadratic Equations II - Normal

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Question 1:   Solve: $\left(x-1\right)\left(x+1\right)=0$
$x=0$
$x=1$
$x=1$ or $x=-1$
$x=-1$
Question 2:   Solve: ${x}^{2}-25=0$
$x=0$
$x=-5$
$x=5$ or $x=-5$
$x=5$
Question 3:   Solve: $\left(x+2\right)\left(x+3\right)=0$
$x=-1$ or $x=5$
$x=2$ or $x=5$
$x=2$ or $x=3$
$x=-2$ or $x=-3$
Question 4:   Solve: $\left(x-\frac{1}{2}\right)\left(x-\frac{1}{3}\right)=0$
$x=\frac{5}{6}$
$x=-\frac{5}{6}$
$x=-\frac{1}{2}$ or $x=-\frac{1}{3}$
$x=\frac{1}{2}$ or $x=\frac{1}{3}$
Question 5:   Solve: ${x}^{2}-5x+6=0$
$x=2\frac{1}{2}$ or $x=-3$
$x=3$ or $x=2$
$x=-2$ or $x=1$
$x=4$ or $x=-5$
Question 6:   Solve: ${x}^{2}-x-6=0$
$x=3$ or $x=-2$
$x=1$ or $x=-1$
$x=1$ or $x=-\frac{1}{2}$
$x=6$ or $x=-1$
Question 7:   Solve: ${x}^{2}-3x-4=0$
$x=3$ or $x=-4$
$x=4$ or $x=-1$
$x=2$ or $x=-2$
$x=8$ or $x=-\frac{1}{2}$
Question 8:   Solve: ${x}^{2}-6x+5=0$
$x=10$ or $x=-\frac{1}{2}$
$x=7$ or $x=-2$
$x=5$ or $x=1$
$x=2$ or $x=3$
Question 9:   Solve: ${x}^{2}-\frac{1}{2}x-\frac{1}{2}=0$
$-2$ or $x=\frac{1}{4}$
$x=-1$ or $x=\frac{1}{4}$
$x=1$ or $x=-\frac{1}{2}$
$x=2$ or $x=-\frac{1}{4}$
Question 10:   Solve: ${x}^{2}-\frac{1}{3}x-\frac{2}{3}=0$
$x=1$ or $x=-\frac{2}{3}$
$x=\frac{1}{6}$ or $x=-2$
$x=-1$ or $x=\frac{1}{3}$
$x=\frac{1}{3}$ or $x=-\frac{2}{3}$