What is the vertex of the quadratic function f(x) = -x² - 4x + 12?
Algebra 1 EOC Review

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Mathematics
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9th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The vertex is (-2, 16).
2.
FLASHCARD QUESTION
Front
Evaluate f(x) = -2x + 13 for f(10).
Back
f(10) = -7.
3.
FLASHCARD QUESTION
Front
Solve for x: 8x - 10 = -34.
Back
x = -3.
4.
FLASHCARD QUESTION
Front
What function represents the amount of water in a cup after t seconds if 2 ml is poured out every second from an initial 100 ml?
Back
w(t) = 100 - 2t.
5.
FLASHCARD QUESTION
Front
Calculate (6x²)(-3x⁵).
Back
The result is -18x⁷.
6.
FLASHCARD QUESTION
Front
What is the standard form of a quadratic equation?
Back
The standard form is ax² + bx + c, where a, b, and c are constants.
7.
FLASHCARD QUESTION
Front
What does the 'a' value in a quadratic function determine?
Back
The 'a' value determines the direction of the parabola (upward if a > 0, downward if a < 0).
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