Quadratic Functions Test
Flashcard
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
Solve: 2x² + 7x - 15 = 0
Back
x = -5 or x = 1.5
2.
FLASHCARD QUESTION
Front
What is the vertex of the graph of y = 2x² + 3x - 5?
Back
(3, -1)
3.
FLASHCARD QUESTION
Front
What is the axis of symmetry of y = 3x² - 6x + 8?
Back
x = 1
4.
FLASHCARD QUESTION
Front
Describe the graph of y = -3x² + 7x - 2.
Back
Opens down with a maximum.
5.
FLASHCARD QUESTION
Front
Determine the value of the discriminant for x² + 2x - 63 and name the nature of the solution.
Back
256 - 2 reals - Rational
6.
FLASHCARD QUESTION
Front
What is the standard form of a quadratic function?
Back
y = ax² + bx + c
7.
FLASHCARD QUESTION
Front
How do you find the vertex of a quadratic function in standard form?
Back
Use the formula x = -b/(2a) to find the x-coordinate, then substitute back to find y.
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