The Discriminant and Quadratic Formula

• A
• B
• C
• D

The discriminant is

• aX²  + bX  +  c

• b - 4ac

• b² - 4ac

• b² + 4ac

If the discriminant is negative, then the quadratic has:

• 1 Real Solution

• 2 Real Solutions

• Half a Solution

• 2 Imaginary Solutions

If the discriminant is equal to 0, how many solutions are there?

• No solutions

• 1 Solution

• 2 Solutions

• Infinite solutions

If the discriminant is zero the quadratic has

• 1 real solution

• 2 real solutions

• 2 complex solutions

• 1 real and 1 imaginary solution

The discriminant is

• ax² + bx + c

• b - 4ac

• b² - 4ac

• b² + 4ac

What is the discriminant in the Quadratic Formula?

• -b + 4ac

• b - 4ac

• -b² - 4ac

• b² - 4ac

The discriminant formula is

• ax² + bx + c

• b - 4ac

• b² - 4ac

• b² + 4ac

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

• two real solutions

• two irrational solutions

• no real solution

• one real solution

Use the discriminant to determine the number of solutions 4x² + 4x + 1 = 0 has?

• 0

• 1

• 2

• More than 2