You are watching: If the discriminant is greater than zero
True or false: for a quadratic function of type ax2 + bx + c = 0, if the discriminant b2 - 4ac = 0, over there is precisely one actual root.
Explanation:
This is true. The discriminant b2 - 4ac is the part of the quadratic formula that lives inside the a square root function. Together you plugin the constants a, b, and c into b2 - 4ac and evaluate, three instances can happen:
b2 - 4ac > 0
b2 - 4ac = 0
b2 - 4ac 2 - 4ac Report one Error
Possible Answers:
True
False
Example question #4 : uncover Roots of Quadratic Equation using Discriminant
Discriminant: 281
Two imaginary roots:
Discriminant: 441
Two real roots:
Discriminant: 441
Two actual roots:
Discriminant: 0
One genuine root:
Discriminant: 281
Two imaginary roots:
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