Quadratic Applications

Flashcard
•
Mathematics
•
8th - 11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a quadratic function?
Back
A quadratic function is a polynomial function of degree 2, typically written in the form f(x) = ax² + bx + c, where a, b, and c are constants.
2.
FLASHCARD QUESTION
Front
What does the vertex of a quadratic function represent?
Back
The vertex of a quadratic function represents the maximum or minimum point of the graph, depending on the direction of the parabola.
3.
FLASHCARD QUESTION
Front
What is the significance of the x-intercepts in a quadratic function?
Back
The x-intercepts are the points where the graph of the quadratic function crosses the x-axis, indicating the values of x for which f(x) = 0.
4.
FLASHCARD QUESTION
Front
What does the y-intercept of a quadratic function indicate?
Back
The y-intercept is the point where the graph crosses the y-axis, representing the value of the function when x = 0.
5.
FLASHCARD QUESTION
Front
How can you find the maximum height of a projectile modeled by a quadratic function?
Back
The maximum height can be found by determining the y-value at the vertex of the quadratic function.
6.
FLASHCARD QUESTION
Front
What is the formula to find the vertex of a quadratic function in standard form?
Back
The vertex (h, k) can be found using the formula h = -b/(2a) and k = f(h).
7.
FLASHCARD QUESTION
Front
What does the term 'discriminant' refer to in a quadratic equation?
Back
The discriminant is the part of the quadratic formula under the square root, given by b² - 4ac, which determines the nature of the roots.
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