Parabola Review

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a parabola?
Back
The graph of a quadratic function, which is U-shaped and can open either upward or downward.
Tags
CCSS.HSF-IF.C.7A
2.
FLASHCARD QUESTION
Front
What determines the direction a parabola opens?
Back
The value of 'a' in the quadratic equation y = ax^2 + bx + c. If 'a' is positive, it opens upward; if 'a' is negative, it opens downward.
Tags
CCSS.HSF-IF.C.7A
3.
FLASHCARD QUESTION
Front
What is the vertex of a parabola?
Back
The highest or lowest point of the parabola, depending on its direction. It represents the maximum or minimum value of the quadratic function.
4.
FLASHCARD QUESTION
Front
How can you find the vertex of a parabola given the equation y = ax^2 + bx + c?
Back
The x-coordinate of the vertex can be found using the formula x = -b/(2a). Substitute this value back into the equation to find the y-coordinate.
5.
FLASHCARD QUESTION
Front
What is the axis of symmetry in a parabola?
Back
A vertical line that divides the parabola into two mirror-image halves, which passes through the vertex. Its equation is x = -b/(2a).
6.
FLASHCARD QUESTION
Front
What is the standard form of a quadratic equation?
Back
y = ax^2 + bx + c, where a, b, and c are constants.
7.
FLASHCARD QUESTION
Front
What is the significance of the 'a' value in the quadratic equation?
Back
It affects the width and direction of the parabola. A larger absolute value of 'a' makes the parabola narrower, while a smaller absolute value makes it wider.
Tags
CCSS.HSF-IF.C.7A
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