Discriminant Quadratic Formula

Solve using the quadratic formula:

9x² = 4 + 7x

• 
• 
• 
• No solution

If the discriminant equals 0, then the quadratic has:

• 1 Solution

• 2 Real Solutions

• No solutions

• 2 Imaginary Solutions

• 1 Real Solution, and an Imaginary Solution named Harvey.

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

• 0

• 1

• 2

• More than 2

Use the discriminant to determine the number of solutions the following quadratic equation has.

6x² − 2x − 3 = 0

• 76 Two Solutions

• 29 Two Solutions

• 68 Two Solutions

• none of these

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

• -10 & -4

• -4 & 10

• -8 & 4

• 8 & -4

How many zeros does this parabola have? 

• 3

• 2

• 0

• 1

For the function above, is the discriminant positive, negative, or zero?

• Positive

• Negative

• Zero

• Not Sure

A function has a discriminant of 25.
______________
How many solutions does it have?

• 0

• 1

• 2

• 5

What is the discriminant for 5x² + x − 2 = 0

• -39

• 42

• -41

• none of these

What is the discriminant of 6x² − 2x − 3 = 0

• 76

• 29

• 68

• none of these