Unit 7 & 8 Review
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the equation of the line of symmetry for a quadratic function?
Back
The equation of the line of symmetry for a quadratic function in the form y = ax^2 + bx + c is given by x = -\frac{b}{2a}.
2.
FLASHCARD QUESTION
Front
Solve the quadratic equation: 2x^2 + 7x - 15 = 0
Back
The solutions are x = -5 and x = 1.5.
3.
FLASHCARD QUESTION
Front
What is another name for the x-intercepts of a quadratic function?
Back
The x-intercepts of a quadratic function are also called 'zeros'.
4.
FLASHCARD QUESTION
Front
Identify the coefficients a, b, and c in the quadratic equation: y = -x^2 + 2x - 9
Back
In this equation, a = -1, b = 2, and c = -9.
5.
FLASHCARD QUESTION
Front
Solve the equation by any method: x^2 + 10x = -9
Back
The solutions are x = -1 and x = -9.
6.
FLASHCARD QUESTION
Front
What is the standard form of a quadratic equation?
Back
The standard form of a quadratic equation is y = ax^2 + bx + c, where a, b, and c are constants.
7.
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 parabola.
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