Solutions to Quadratic Formula

Solve
3x² - 5 = -446

• ±√-147

• 7i√3

• ±7i√3

• -7√3

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Find the exact solution to the quadratic equation by using the quadratic formula. Be sure to reduce the solution.

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve for x:
8x² + 24 = 0

• x = ± i √ (3)

• x = ± 3i

• x = ± √(3)

• x = ± 2

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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

• A
• B
• C
• D

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

• 4, -5/3
• 2/3, 6
• 4/7,6
• -3/8,-7

Tags

CCSS.HSA-REI.B.4B

If the discriminant is a perfect square you will have.....

• two real solutions

• two irrational solutions

• one solution

• two imaginary solutions

Tags

CCSS.HSA-REI.B.4B

If the discriminant is negative, you will have....

• two real solutions

• two irrational solutions

• two imaginary solutions

• one solution

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