The Discriminant

If the discriminant is POSITIVE, the equation will have...

• 2 real solutions

• 1 real solution

• No real solutions

Tags

CCSS.HSA-REI.B.4B

If the discriminant is NEGATIVE, the equation will have...

• 2 real solutions

• 1 real solution

• No real solutions

Tags

CCSS.HSA-REI.B.4B

If the discriminant is ZERO, the equation will have...

• 2 real solutions

• 1 real solution

• No real solutions

Tags

CCSS.HSA-REI.B.4B

• 2 real solutions

• 1 real solution

• No real solutions

Tags

CCSS.HSA-REI.B.4B

• 2 real solutions

• 1 real solution

• No real solutions

Tags

CCSS.HSA-REI.B.4B

The discriminant is

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

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

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

• 76

• 29

• 68

• none of these

Tags

CCSS.HSA-REI.B.4B

Given that the value of A=-5 , B=1 and C=-5, solve for the discriminant.

• -99

• 99

• 101

• -100

Tags

CCSS.HSA-REI.B.4B

What  are the solutions of this graph?

• -2 and 3
• -1/2 and -6
• -2 and -6
• 3 and -6