What is the quadratic formula?
quadratic formula

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The quadratic formula is x = (-b ± √(b² - 4ac)) / (2a), used to find the roots of a quadratic equation.
2.
FLASHCARD QUESTION
Front
Identify the values of a, b, and c in the equation 4x² - 8x - 3 = 0.
Back
a = 4, b = -8, c = -3.
3.
FLASHCARD QUESTION
Front
What is the discriminant in a quadratic equation?
Back
The discriminant is given by b² - 4ac and determines the nature of the roots.
4.
FLASHCARD QUESTION
Front
What does a positive discriminant indicate?
Back
A positive discriminant indicates that there are two distinct real roots.
5.
FLASHCARD QUESTION
Front
What does a zero discriminant indicate?
Back
A zero discriminant indicates that there is exactly one real root (a repeated root).
6.
FLASHCARD QUESTION
Front
What does a negative discriminant indicate?
Back
A negative discriminant indicates that there are no real roots, only complex roots.
7.
FLASHCARD QUESTION
Front
Identify the values of A, B, and C in the equation 11r² + 6r - 6 = 0.
Back
A = 11, B = 6, C = -6.
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