The Discriminant of Quadratic Formula

If the discriminant is positive, then the solution will be

• one real solution

• two real solutions

• no real solutions

• one imaginary solution

Tags

CCSS.HSA-REI.B.4B

Use the discriminant to determine the number of solutions 4x² + 4x + 1 = 0 has?

• 0

• 1

• 2

• More than 2

Tags

CCSS.HSA-REI.B.4B

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

• 76

• 29

• 68

• none of these

Tags

CCSS.HSA-REI.B.4B

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

• 0, No Solutions

• 0, 1 Solution

• 72, 2 Solutions

• -72, No Solution

Tags

CCSS.HSA-REI.B.4B

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

y = x² + 4x + 4

• Positive

• Negative

• Zero

Tags

CCSS.HSA-REI.B.4B

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

• Positive

• Negative

• Zero

• Not Sure

The discriminant of
2x² -3x - 5 is ?

• -10 and -3

• -31

• 49

• 31

Tags

CCSS.HSA-REI.B.4B

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

• -39

• 42

• -41

• none of these

Which is FALSE about the graph pictured?

• The discriminant is negative.

• The y-intercept is (0, -1).

• The discriminant is 0.

• The A value is negative.

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

• -92, No Solutions

• 164, 2 Solutions

• -164, No Solutions

• 92, 2 Solutions

Tags

CCSS.HSA-REI.B.4B