What are the solutions of the quadratic function with factors (x+3)(x-9)?
Semester Review

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Mathematics
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
-3 and 9
2.
FLASHCARD QUESTION
Front
Which quadratic function has solutions x = -15 and x = 15?
Back
f(x) = x^2 - 225
3.
FLASHCARD QUESTION
Front
What is the interval notation represented by the graph that includes all values less than -16 and greater than 2?
Back
(-∞, -16] ∪ [2, ∞)
4.
FLASHCARD QUESTION
Front
Identify the values of a, b, and c in the quadratic equation 4x² - 8x = 3.
Back
a = 4, b = -8, c = -3
5.
FLASHCARD QUESTION
Front
Convert the quadratic equation y = -x² + 10x - 4 to vertex form.
Back
y = -(x - 5)² + 21
6.
FLASHCARD QUESTION
Front
What is the vertex form of a quadratic function?
Back
The vertex form is y = a(x - h)² + k, where (h, k) is the vertex.
7.
FLASHCARD QUESTION
Front
How do you find the vertex of a quadratic function in standard form?
Back
Use the formula h = -b/(2a) to find the x-coordinate, then substitute h back into the function to find k.
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