Solving Quadratic Equations

Solve for x.

 $x^2+8=0$  

•  $x=\sqrt{8}$  

•  $x=\pm2\sqrt{2}$  

•  $x=\pm2i\sqrt{2}$  

•  $x=\pm2i$  

Solve by completing the square.
x² + 4x= 12

• x = 2 and -2
• x = -6 and 2
• x = 6 and -2
• x = 1 and -1

Tags

CCSS.HSA-REI.B.4B

Factor x²-11x+24

• (x-3)(x-8)
• (x-2)(x-12)
• (x+3)(x+8)
• (x+2)(x+12)

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve for the values of x:
(x + 2)(x - 3) = 0

• { 2, 3 }
• { -2, -3 }
• { 2, 3 }
• { -2, 3 }

Tags

CCSS.HSA-REI.B.4B

What number added would make a perfect square trinomial?

x² - 8x + ______

• -4

• -64

• 12

• 16

Tags

CCSS.HSA-REI.B.4B

• ±72
• ±12
• 12
• No real solution

Tags

CCSS.8.EE.A.2

• ±81
• ±9
• ±3
• No real solution

Tags

CCSS.8.EE.A.2

• -6, -2
• -2, 6
• 2, 6
• -6, 2

Tags

CCSS.HSA-REI.B.4B

Determine the values of
a, b, and c for
the quadratic equation: 
4x² – 8x = 3

• a = 4, b = -8, c = 3
• a = 4, b =-8, c =-3
• a = 4, b = 8, c = 3
• a = 4, b = 8, c = -3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

 $k^2-2=43$  

•  $\pm\sqrt{34}$  

•  $\pm\sqrt{30}$  

•  $\pm45$  

•  $\pm3\sqrt{5}$  

Tags

CCSS.8.EE.A.2