Quadratic Formula and Discriminant

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

• Positive

• Negative

• Zero

• Not Sure

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

• 76

• 29

• 68

• none of these

The discriminant is

• aX²  + bX  +  c

• b - 4ac

• b² - 4ac

• b² + 4ac

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

• Positive

• Negative

• Zero

• Not Sure

The discriminant is

• ax² + bx + c

• b - 4ac

• b² - 4ac

• b² + 4ac

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

If the discriminant is zero the quadratic has

• 1 real root

• 2 real roots

• 2 complex roots

• 1 real and 1 non real root

The discriminant formula is

• ax² + bx + c

• b - 4ac

• b² - 4ac

• b² + 4ac

Which graph has a discriminant = 0?

• None of them

• Red

• Blue

• Green