Discriminant

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

___________

y = x² + 4x + 4

• Positive

• Negative

• Zero

• Not Sure

What is the discriminant of -2x² − x − 1 = 0

• 76

• -7

• 9

• none of these

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

• 76

• 29

• 68

• none of these

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

• -39

• 42

• -41

• none of these

If the discriminant is positive, then the solution will be

• one real solution

• two real solutions

• no real solutions

• one imaginary solution

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

• 0
• 1
• 2
• 5

A function has a discriminant of -3.
______________
How many x-intercepts does it have?

• 0
• 1
• 2
• 3

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

___________

y = x² + 4x + 4

• Positive

• Negative

• Zero

• Not Sure

How many solutions will this quadratic equation x²+8x+16 has?

• 2 real solutions

• 2 imaginary solution

• 1 solution

• 3 solutions

2 A function has a discriminant of 0.

How many x-intercepts does it have?

• 0

• 1

• 2

• 5