Calculating Discriminant

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

• Positive

• Negative

• Zero

• Not Sure

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

• Positive

• Negative

• Zero

• Not Sure

Given that the value of A=-5 , B=1 and C=-5, solve for the discriminant.

• -99

• 99

• 101

• -100

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

• 2 real solutions

• 2 imaginary solution

• 1 solution

• 3 solutions

What is the discriminant of this equation?

• 64

• 52

• 9

• 0

What is the discriminant of this equation?

• 120

• 36

• 16

• -120