Algebra II 3.1-3.3 Quiz Review

Solve the equation by using the graph.

x² - 3x - 10 = 0

• x = 2, x = -5

• x = -2, x = 5

• x = 2, x = 5

• x = -2, x = -5

Solve the equation by using the graph.

x² + 6x + 8 = 0

• x = 2, x = -4

• x = -2, x = 4

• x = 2, x = 4

• x = -2, x = -4

Solve the equation by using the graph.

x² - 10x + 21 = 0

• x = 3, x = 7

• x = -3, x = 7

• x = 3, x = -7

• x = -3, x = -7

Solve the equation using square roots.

 $x^2-3=6$  

•  $x=3\pm\sqrt{6}$  

•  $x\ =\ \pm\sqrt{3}$  

•  $x=\pm\ 3$  

•  $x\ =\ \pm\ i\sqrt{6}$  

Solve the equation using square roots.

 $x^2+12=62$  

•  $x\ =\ \pm\sqrt{74}$  

•  $x\ =\ \pm\ 5$  

•  $x\ =\ \pm\ 2\sqrt{5}$  

•  $x=\pm\ 5\sqrt{2}$  

Solve the equation using square roots.


 $\left(x-4\right)^2\ +\ 5\ =\ 41$  

•  $x\ =\ 10,\ x\ =\ -2$  

•  $x\ =\ 4\pm\sqrt{6}$  

•  $x\ =\ -10,\ x\ =\ 2$  

•  $x\ =\ \pm\ 6$  

Solve the equation using square roots.

 $\left(x+5\right)^2\ =\ 11$  

•  $x\ =\ 5\ \pm\ \sqrt{11}$  

•  $x\ =\ \pm\ \sqrt{6}$  

•  $x\ =\ -5\ \pm\sqrt{11}$  

•  $x\ =\ \pm\ i\sqrt{6}$  

Solve the equation by factoring.

 $x^2+12x\ +\ 32\ =\ 0$  

•  $x\ =\ 8,\ x\ =\ 4$  

•  $x\ =\ -8,\ x\ =\ 4$  

•  $x\ =\ 8,\ x\ =\ -4$  

•  $x\ =\ -8,\ x\ =\ -4$  

Solve the equation by factoring.

 $x^2-3x\ =\ 40$  

•  $x\ =\ 5,\ x\ =\ 8$  

•  $x\ =\ -5,\ x\ =\ 8$  

•  $x\ =\ 5,\ x\ =\ -8$  

•  $x\ =\ -5,\ x\ =\ -8$  

Solve the equation by factoring.

 $x^2-16x\ +\ 63\ =\ 0$  

•  $x\ =\ 7,\ x\ =\ 9$  

•  $x\ =\ -7,\ x\ =\ 9$  

•  $x\ =\ 7,\ x\ =\ -9$  

•  $x\ =\ -7,\ x\ =\ -9$