Key Attributes of Quadratic equations

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a quadratic equation?
Back
A quadratic equation is a polynomial equation of degree 2, typically in the form ax² + bx + c = 0, where a, b, and c are constants and a ≠ 0.
2.
FLASHCARD QUESTION
Front
What is the standard form of a quadratic equation?
Back
The standard form of a quadratic equation is y = ax² + bx + c.
3.
FLASHCARD QUESTION
Front
What is the vertex of a quadratic function?
Back
The vertex is the highest or lowest point of the parabola represented by the quadratic function.
4.
FLASHCARD QUESTION
Front
How do you find the axis of symmetry of a quadratic equation?
Back
The axis of symmetry can be found using the formula x = -b/(2a), where a and b are coefficients from the quadratic equation.
5.
FLASHCARD QUESTION
Front
What does the discriminant of a quadratic equation indicate?
Back
The discriminant (D = b² - 4ac) indicates the nature of the roots: D > 0 means two distinct real roots, D = 0 means one real root, and D < 0 means no real roots.
6.
FLASHCARD QUESTION
Front
What is the y-intercept of a quadratic function?
Back
The y-intercept is the point where the graph intersects the y-axis, found by evaluating the function at x = 0.
7.
FLASHCARD QUESTION
Front
What is the significance of the coefficient 'a' in a quadratic equation?
Back
The coefficient 'a' determines the direction of the parabola: if a > 0, the parabola opens upwards; if a < 0, it opens downwards.
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