What is the solution to the system of equations: -2x - 2y - z = 4, 2x + 2y - 6z = 10, x - 2y + 3z = −13?
2024 1st Semester Exam

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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, 2, -2)
2.
FLASHCARD QUESTION
Front
If JoAnn works as a baby-sitter for $3 per hour and as a tutor for $6 per hour, what are the inequalities representing her work hours and earnings if she can work a maximum of 15 hours and wants to earn at least $66?
Back
b + t < 15 and 3b + 6t > 66
3.
FLASHCARD QUESTION
Front
What is the composition of the functions f(x) = 5x and g(x) = 2x - 1, expressed as f(g(x))?
Back
10x - 5
4.
FLASHCARD QUESTION
Front
What does it mean to find the inverse of a function?
Back
The x's and y's are switched.
5.
FLASHCARD QUESTION
Front
Which point is a solution to the equation? (0, 6), (-3, 4), (1, 0), (-4, 3)
Back
(1, 0)
6.
FLASHCARD QUESTION
Front
What is a function?
Back
A relation that assigns exactly one output for each input.
7.
FLASHCARD QUESTION
Front
What is the definition of a linear equation?
Back
An equation that forms a straight line when graphed.
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