
ch 4 review

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•
Mathematics
•
12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a solution to the system of inequalities: y < -1/2x + 3 and y < (x+1)^2?
Back
(2, 1)
2.
FLASHCARD QUESTION
Front
Identify the exception among the solutions to the inequalities: y < -1/2(x-1)^2 + 5 and -5 < y - x.
Back
(10, 1)
3.
FLASHCARD QUESTION
Front
Solve the system of equations: 6x^2 + 5y^2 = 38 and 7x^2 - 3y^2 = 9.
Back
(\sqrt{3}, 2), (\sqrt{3}, -2), (-\sqrt{3}, 2), (-\sqrt{3}, -2)
4.
FLASHCARD QUESTION
Front
Solve the inequality: x^2 - 3x > 2x.
Back
(-∞, 0) U (5, ∞)
5.
FLASHCARD QUESTION
Front
What is an extraneous solution in the context of equations?
Back
An extraneous solution is a solution that emerges from the process of solving an equation but does not satisfy the original equation.
6.
FLASHCARD QUESTION
Front
What does it mean for a system of equations to be inconsistent?
Back
A system of equations is inconsistent if there are no solutions that satisfy all equations simultaneously.
7.
FLASHCARD QUESTION
Front
How do you graph a system of inequalities?
Back
Graph each inequality on the same coordinate plane, shading the region that satisfies each inequality.
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