Finding the Discriminant

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-SSE.B.3B

CCSS.HSF-IF.C.8A

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

• Positive
• Negative
• Zero
• Not Sure

Tags

CCSS.HSA.REI.B.4

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

• 76

• 29

• 68

• none of these

Tags

CCSS.HSA-REI.B.4B

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

A function has a discriminant of 25.
______________
How many solutions does it have?

• 0
• 1
• 2
• 5

Tags

CCSS.HSA-REI.B.4B

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

• 76

• -7

• 9

• none of these

Tags

CCSS.HSA-REI.B.4B

d=(-5)² - 4(2)(-2) Find d

• 41

• 25

• 9

Tags

CCSS.HSA-REI.B.4B

d=(-5)² - 4(2)(-2) What are a, b and c?

• a = -5, b = 2, c = -2

• a = 2, b = -5, c = -2

• a = -5, b = -2, c = 2

Tags

CCSS.HSA-REI.B.4B

d=(-5)² - 4(2)(-2) What is the function?

• 2x² + 5x - 2

• 2x² - 5x - 2

• 5x² - 2x - x

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A