
Unit 7 Review
Flashcard
•
Mathematics
•
12th Grade
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
Solve the system of equations by elimination: -8x - 3y = -20; 8x - 2y = 0
Back
(1, 4)
2.
FLASHCARD QUESTION
Front
Solve the system of equations by substitution: -8x - 8y = -24; 4x + 5y = 7
Back
(8, -5)
3.
FLASHCARD QUESTION
Front
Solve the system of equations by elimination: -x - 3y = -30; -3x - 9y = -90
Back
Infinite number of solutions
4.
FLASHCARD QUESTION
Front
Solve the system of equations by substitution: 7x - 6y = -9; y = -7x - 23
Back
(-3, -2)
5.
FLASHCARD QUESTION
Front
Solve the system of equations by substitution: y = 2x - 15; y = 4x - 23
Back
(4, -7)
6.
FLASHCARD QUESTION
Front
Definition of a system of equations
Back
A set of two or more equations with the same variables.
7.
FLASHCARD QUESTION
Front
What is elimination method in solving systems of equations?
Back
A method that involves adding or subtracting equations to eliminate one variable.
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