What is the quadratic formula?
Algebra EOC 2024

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The quadratic formula is x = (-b ± √(b² - 4ac)) / (2a), used to find the solutions of a quadratic equation ax² + bx + c = 0.
2.
FLASHCARD QUESTION
Front
How do you factor the quadratic expression x² - 2x - 15?
Back
The factored form is (x - 5)(x + 3).
3.
FLASHCARD QUESTION
Front
How do you find the value of x when f(x) = -4x - 10 and f(x) = 10?
Back
Set -4x - 10 = 10, solve for x: x = -5.
4.
FLASHCARD QUESTION
Front
What is the vertex of the parabola given by the equation y = 3(x + 5)² - 4?
Back
The vertex is (-5, -4).
5.
FLASHCARD QUESTION
Front
What are the zeros of the function f(x) = x² - 13x - 30?
Back
The zeros are 15 and -2.
6.
FLASHCARD QUESTION
Front
What is a parabola?
Back
A parabola is a symmetric curve formed by the intersection of a cone with a plane parallel to its side.
7.
FLASHCARD QUESTION
Front
What does it mean for a function to have zeros?
Back
Zeros of a function are the values of x for which f(x) = 0.
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