Discriminant Warmup

The discriminant is

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

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

The roots of a quadratic equation are real and equal, then the discriminant is ____.

• 
  Zero

• Positive and a perfect square

• Positive but not a perfect square

• Negative

Tags

CCSS.HSA-REI.B.4B

If the discriminant is equal to 400, the nature of roots of the quadratic equation is ____.

• 
  real and equal

• rational and unequal

• irrational and unequal

• no real roots

Tags

CCSS.HSA-REI.B.4B

If the discriminant is equal to -7, the nature of roots of quadratic equation is ____.

• 
  real and equal

• rational and unequal

• irrational and unequal

• no real roots

Tags

CCSS.HSA-REI.B.4B