Solving Quadratic Equations

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 using the quadratic formula:
4x² + 4x + 1 = 0

• x = -½
• x = -2
• x = 0

Tags

CCSS.HSA-REI.B.4B

What are the roots?

2x²-x -3=0

• x=-3/2 x=1

• x= 3/2 x= -1

• x= -3/2 x= -1

• x= 3/2 x= 1

Identify one root

2x² + 2x - 12?

• -2

• 3

• 2

• 1

What are the solutions?

8x² - 6x + 1 = f(x)

• No Solution

• 0 or 1

• -0.5 or -0.25

• 0.25 or 0.5

Solve using the quadratic formula:
x² + 4x + 4 = 0

• 2 and 0
• -2 and 0
• 2
• -2

Tags

CCSS.HSA-REI.B.4B

Solve
6x² + 17x + 12 = 0

• x = -4/3, x = -3/2
• x = 9, x = 8
• x = 4, x = 3
• x = -4, x = -3

Tags

CCSS.HSA-REI.B.4B

Solve
x² + 2x - 24 = 0

• x = -6, x = 4
• x = 6, x = -4
• x = 12, x = -2
• x = 8, x = -3

Tags

CCSS.HSA-REI.B.4B

What are the roots?

x² + 13x + 12 = 0

• x = -1, x = -12

• x = -1, x = -24

• x = -2, x = -6

• x = -2, x = -12

Solve
 2x² - 3x - 2 = 0

• x = 1, x = -1
• x = -1/2, x = 2
• x = 1/2, x = 2
• x = 1/2, x = 1

Tags

CCSS.HSA-REI.B.4B