Plugging Into Quadratic Formula

• -5i
• 5
• 5i
• -5

Solve for x:

3x² - 6x + 6 = 0

• x = 1± i

• x = 3, -6

• x = 4.8, 2.7

• Undefined

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve     8x² - 6x + 1 = 0

• No Solution

• 0 or 1

• -0.5 or -0.25

• 0.25 or 0.5

Tags

CCSS.HSA-REI.B.4B

Solve x² - 2x - 8 = 0 using the quadratic formula

• x = 2 , -3

• x = 4 , -2

• x = 2 , -4

• x = 3 , -2

• No Solution

Tags

CCSS.HSA-REI.B.4B

Solve 4x² - 2x + 4 = 0 using the quadratic formula

• x = 2, -1

• x = 3, -1

• x = 1, -2

• x = 1, -3

• No Solution

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve a² - 4a + 4 = 0 using the quadratic formula

• 2

• -2

• 4

• -4

• No Solution

Tags

CCSS.HSA-REI.B.4B

Solve 2r² - 3r -5 = 0 using the quadratic formula

• x = 1/2, -2

• x = 5/2, -1

• x = 2, -1/2

• x = 1, -5/2

• No Solution

Tags

CCSS.HSA-REI.B.4B

Solve n² - 4n + 4 = 0 using the quadratic formula

• x = 3, 2

• x = -2, -3

• x = 2

• x = -2

• No Solution

Tags

CCSS.HSA-REI.B.4B

What does the discriminant determine?

• Whether the graph goes up or down

• The vertex

• The number of Solutions

• The y-intercept

Tags

CCSS.HSA-REI.B.4B

If the discriminant is positive, how many solutions does the graph have?

• 2

• 1

• 0

Tags

CCSS.HSA-REI.B.4B