quadratic formula

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5
• x = 20 and x = -9
• x = 4 and x = 5
• x = -4 and x = 5

Tags

CCSS.HSA-REI.B.4B

Solve using the Quadratic Formula:
(Hint: Set the equation = to 0)

 $x^2+4x-32=0$  

•  $x=-10,\ -4$  

•  $x=-4,\ 10$  

•  $x=-8,\ 4$  

•  $x=-4,\ 8$  

Use the quadratic formula to solve 2x² + 2x - 12=0

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Solve using the Quadratic Formula:
x² + 4x + 3 = 0

• x = 1 and x = 3
• x = 6 and x = -2
• x = -1 and x = -3

Tags

CCSS.HSA-REI.B.4B

Solve    
2x² + 7x - 15 = 0

• -1.5 or 5
• No Solution
• -5 or 1.5
• 0.7 or 5

Tags

CCSS.HSA-REI.B.4B

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B