Solve with Quadratic Formula

-8k²-k+2=0

• -0.57, 0.44

• -0.61, 0.47

• -4, 4

• -2, 2

Tags

CCSS.HSA-REI.B.4B

p²+5p+5=0

• -1.11, 1.45

• -0.68, 0.88

• -5.85, 0.85

• -3.62, -1.38

Tags

CCSS.HSA-REI.B.4B

3x²+x-1=3

• -9, 1

• -1, 0.25

• -0.83, 0.08

• -1.33, 1

Tags

CCSS.HSA-REI.B.4B

Solve Using the Quadratic Formula
 x² + 4x - 40 = -8

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

Tags

CCSS.HSA-REI.B.4B

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

• -2, 3

• 2, 3

• 2, -3

• -2, -3

Solve using the quadratic formula...
9x² = 4 + 7x

• x = 2 and x = 3

• x = -1 and x = .25

• x = 1 and x = -.45

• x = 1.16, and x = -.38

Tags

CCSS.HSA-REI.B.4B

Use the quadratic formula to find the solutions for
y = -x² - 5x + 12

• -4.9 and -0.1

• -8.54 and 8.54

• -0.45 and 3.55

• -6.77 and 1.77

Tags

CCSS.HSA-REI.B.4B

• A
• B
• C
• D

Tags

CCSS.HSA-REI.B.4B

• 4, -5/3
• 2/3, 6
• 4/7,6
• -3/8,-7

Tags

CCSS.HSA-REI.B.4B

How many solutions does the equation 4x² + 4x + 1 = 0 have?

• 0

• 1

• 2

• More than 2

Tags

CCSS.HSA-REI.B.4B