
Q2 Week 8 Spiral Review
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is vertex form of a quadratic equation?
Back
The vertex form of a quadratic equation is given by f(x) = a(x - h)² + k, where (h, k) is the vertex of the parabola.
2.
FLASHCARD QUESTION
Front
How do you find the vertex of a parabola given in standard form?
Back
To find the vertex of a parabola given in standard form y = ax² + bx + c, use the formula x = -b/(2a) to find the x-coordinate, then substitute x back into the equation to find the y-coordinate.
3.
FLASHCARD QUESTION
Front
What is the vertex of the parabola given by y = x² - 4x + 3?
Back
The vertex is (2, -1).
4.
FLASHCARD QUESTION
Front
Convert the equation y = 2x² + 8x + 5 to vertex form.
Back
The vertex form is y = 2(x + 2)² - 3.
5.
FLASHCARD QUESTION
Front
What does the 'a' value in the vertex form of a quadratic equation indicate?
Back
The 'a' value indicates the direction of the parabola (upward if a > 0, downward if a < 0) and the width of the parabola (narrower if |a| > 1, wider if |a| < 1).
6.
FLASHCARD QUESTION
Front
Find the vertex of the parabola represented by y = -3(x - 1)² + 2.
Back
The vertex is (1, 2).
7.
FLASHCARD QUESTION
Front
What is the significance of the vertex in a parabola?
Back
The vertex represents the maximum or minimum point of the parabola, depending on the direction it opens.
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