What Is the Discriminant?

Identify which part of the quadratic equation is the discriminant
ˆš(b² - 4ac)
B² - 4ac
-b ± √(b² - 4ac)
-b ± √(b² - 4ac) / 2a
Is this Discriminant Positive or Negative? 5x²-2x+14
Positive
Negative
What is the purpose of the discriminant?
To identify if an equation has real or imaginary solutions
Nothing
To find the solutions of a quadratic equation
To help graph quadratic equations
Does this equation have real solutions? x² + 9x - 13
Yes, the discriminant is positive
No, the discriminant is negative
How many solutions does this equation have? x² + 8x +16
Two imaginary solutions
One real solution
Two real solutions
No solutions
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