Discriminant of Quadratics

How many roots does this parabola have? 

• 3

• 2

• 0

• 1

Find the discriminate of the following quadratic equation: 4x^2-5x-6=0

Mathematical Equivalence

ON

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

• No solutions

• 1 Solution

• 2 Solutions

• Infinite solutions

What does the discriminant tell us?

• The maximum or minimum

• The y-intercept

• The number and type of solutions

• The axis of symmetry

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

• 76

• -7

• 9

• none of these

If the discriminant is zero you will have

• no real solutions

• two real solutions

• 1 real solution

• 1 imaginary solution

If the discriminant is equal to -2, how many solutions are there?

• No Solutions

• 1 Solution

• 2 Solutions

• Infinite Solutions

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

• 205, 2 Solutions

• -71, No Solutions

• 121, 2 Solutions

• 121, 1 Solution

Find the discriminate of the following quadratic equation: 4x^2-5x-6=0

Mathematical Equivalence

ON

Which graph has a discriminant = 0?

• None of them

• Red

• Blue

• Green