3/21 Solving Quadratics Mixed Review

Find the zeros of the equation:
 $\left(x+10\right)\left(x-2\right)=0$ 

•  $x=10,2$ 

•  $x=-10,2$ 

•  $x=-2,10$ 

•  $x=-2,-10$ 

Solve by factoring: 
 $x^2-9x+20=0$ 

•  $x=-4,-5$ 

•  $x=4,5$ 

•  $x=20,-9$ 

•  $x=-4,5$ 

Tags

CCSS.HSA-REI.B.4B

Solve by using square roots.

2(x-1)² = 32

• x= -3, 5

• x= -4, 4

• x= 3, 5

• x= 2, 6

Tags

CCSS.HSA-REI.B.4B

Solve by using square roots.

x² - 10 = 26

• x = -6, 6

• x = -4, 4

• x = 4, 6

• No solution

Tags

CCSS.8.EE.A.2

Solve by factoring.

a² + 2a - 24 = 0

• a = -6, 4

• a = 6, -4

• a = 12, -2

• a = 8, -3

Tags

CCSS.HSA-REI.B.4B

Use the Square Root Method to find the solutions:  $x^2+4=68$  

•  $x=\pm8$  

•  $x=\pm\sqrt{8}$  

•  $x=8$  

•  $x=\pm64$  

Tags

CCSS.HSA-REI.B.4B

Complete the square.
 $x^2+6x\ +$ ____

•  $x^2+6x+9$ 

•  $x^2+6x+36$ 

•  $x^2+6x-36$ 

•  $x^2+6x-9$ 

Tags

CCSS.HSA-REI.B.4B

Solve By Completing the Square:

 $p^2-10p-52=0$  

•  $5\pm\sqrt{77}$  

•  $-5\pm\sqrt{77}$  

•  $5\pm77$  

•  $5+i\sqrt{77}$  

Tags

CCSS.HSA-REI.B.4B

Solve by completing the square. 
 x² − 10x - 11= 0

• x = −1 and 11
• x = 1 and −11
• x = −10 and 11
• x = −5 and 25

Tags

CCSS.HSA-REI.B.4B

Solve for h using the square root method.

(h - 2)² = 9

• h = 5, -1

• h = 5, -5

• h = 5

• h = -1

Tags

CCSS.HSA-REI.B.4B