Discriminant

If the discriminant is positive, then the solution will be

• one real solution

• two real solutions

• two non-real solutions

• all real numbers

Tags

CCSS.HSA-REI.B.4B

Determine the value of the discriminant

x² + 7x + 13=0

• 101

• 3

• -101

• -3

Tags

CCSS.HSA-REI.B.4B

For the function below, what is the discriminant?

___________

x² + 8x + 16 = 0

• 4

• -4

• 0

• 2

Tags

CCSS.HSA-REI.B.4B

For the function below, how many solutions are there?

___________

x² + 8x + 16 = 0

• 2 real solutions

• 2 non-real solutions

• 1 real solution

• No solutions

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

How many solutions?

6x² − 2x − 3 = 0

• 2 real

• 2 non-real

• 1 real

• 1 non-real

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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

• 8

• -7

• 9

• none of these

Tags

CCSS.HSA-REI.B.4B

The discriminant is

• aX²  + bX  +  c
• b - 4ac
• b² - 4ac
• b² + 4ac

Tags

CCSS.HSA-REI.B.4B

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

• Positive
• Negative
• Zero
• Not Sure

Tags

CCSS.HSA-REI.B.4B