Find Solutions Using the Discriminant Slides

If the discriminant is zero, how many solutions does the graph have?

• 2

• 1

• 0

How many real solutions does 2a² - 5a + 5 = 0 have?

• 2

• 1

• 0

How many real solutions does 3k² + k - 1 = 0 have?

• 2

• 1

• 0

Find the discriminant: -4v² - 4v - 1 = 0

• 0

• 12

• 20

• 32

What is the discriminant in the Quadratic Formula?

• -b + 4ac

• b - 4ac

• -b² - 4ac

• b² - 4ac

What is the discriminant of this graph?

• Positive

• Zero

• Negative

Find the discriminant: 2a² - 5a + 5 = 0

• 44

• 65

• -15

• -144

Find the discriminant: 3k² + k - 1 = 0

• 36

• -11

• 13

• -20

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