What is the solution to the equation |x + 7| = 12?
Coll Alg Units 1, 2, 3 Review

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Mathematics
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9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
x = 5, x = -19
2.
FLASHCARD QUESTION
Front
What is the equation of the graph that opens downwards and has a vertex at (1, 3)?
Back
f(x) = -(x - 1)² + 3
3.
FLASHCARD QUESTION
Front
What is the value of 12i²?
Back
-12
4.
FLASHCARD QUESTION
Front
If g(x) = x² + 6 and f(x) = 2x - 4, what is g(f(x))?
Back
4x² - 16x + 22
5.
FLASHCARD QUESTION
Front
Multiply the following matrices: [[20, 15, -10], [30, -5, 0]] and [[-20, 15, -10], [30, -5, 0]].
Back
Result: [[-20, 15, -10], [30, -5, 0]]
6.
FLASHCARD QUESTION
Front
What is the definition of an absolute value equation?
Back
An equation that contains an absolute value expression, which represents the distance of a number from zero on the number line.
7.
FLASHCARD QUESTION
Front
What is the vertex form of a quadratic equation?
Back
f(x) = a(x - h)² + k, where (h, k) is the vertex.
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