Math 2 - Review Chapter 14A&B

What is this formula?

• This is the speed of light formula.
• This is the quadratic formula.
• This is the zero product property.
• This is scary.

Tags

CCSS.HSA-REI.B.4B

Solve using quadratic formula

8x² - 6x + 1 = 0

• No Solution

• 0 or 1

• -1/2 or -1/4

• 1/4 or 1/2

The discriminant is

• ax² + bx + c

• b - 4ac

• b² - 4ac

• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

If the discriminant equals 0, then the quadratic has:

• 1 Real Solution

• 2 Real Solutions

• No solutions

• 2 Imaginary Solutions

If the discriminant is negative, then the quadratic has:

• 1 Real Solution

• 2 Real Solutions

• 2 Imaginary Solutions

What is the discriminant and how many solutions would this quadratic have?

-8x² + 6x - 4 = 0

• -92, No Solutions

• 164, 2 Solutions

• -164, No Solutions

• 92, 2 Solutions

Tags

CCSS.HSA-REI.B.4B

What is the discriminant and how many solutions would this quadratic have?

4x² + 6x - 4 = 0

• -28, No Solutions

• 28, 2 Solutions

• 100, 2 Solutions

• -100, No Solutions

Tags

CCSS.HSA-REI.B.4B

Solve using quadratic formula

x² - 5x + 10 = 0

• (5 - i√15)/2 , (5 + i√15)/2

• (5 - √15)/2 , (5 + √15)/2

• (5 - i√65)/2 , (5 + i√65)/2

• (5 - √65)/2 , (5 + √65)/2

(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

3x² = -60

• ±2i√5
• √20
• √60
• ±√30