Quadratic applications
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Standards-aligned
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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 in the form f(x) = ax² + bx + c, where a, b, and c are constants and a ≠ 0.
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
How do you find the time at which a projectile reaches maximum height?
Back
To find the time at which a projectile reaches maximum height, use the formula t = -b/(2a) from the vertex form of the quadratic equation.
4.
FLASHCARD QUESTION
Front
What is the significance of the y-intercept in a quadratic function?
Back
The y-intercept of a quadratic function is the point where the graph intersects the y-axis, which occurs when x = 0.
Tags
CCSS.HSF-IF.C.7A
5.
FLASHCARD QUESTION
Front
How can you determine when a projectile hits the ground using a quadratic equation?
Back
Set the quadratic equation equal to zero and solve for the variable to find the time when the height is zero.
6.
FLASHCARD QUESTION
Front
What is the standard form of a quadratic equation?
Back
The standard form of a quadratic equation is written as ax² + bx + c = 0.
7.
FLASHCARD QUESTION
Front
What does the coefficient 'a' indicate in a quadratic function?
Back
The coefficient 'a' indicates the direction of the parabola: if 'a' is positive, the parabola opens upwards; if 'a' is negative, it opens downwards.
Tags
CCSS.HSF-IF.C.7A
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