Systems of Equations in Three Variables

Flashcard
•
Mathematics
•
11th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
________________ is a set of two or more equations that have the same variables.
Back
system of equations
2.
FLASHCARD QUESTION
Front
Solve the system: 2x + 3y - z = 1, x - y + 2z = 3, 3x + y + z = 0
Back
(1, -3, -2)
3.
FLASHCARD QUESTION
Front
Solve the system: x + 2y + 3z = 6, 2x - y + z = 4, -x + 3y - 2z = -1
Back
(-1, 6, 1)
4.
FLASHCARD QUESTION
Front
Solve the system: 3x + 2y - z = 5, x - 4y + 2z = -2, 2x + y + 3z = 7
Back
(2, -2, 3)
5.
FLASHCARD QUESTION
Front
Solve the system: x + y + z = 0, 2x - y + 3z = 1, -x + 4y - z = 2
Back
None of these
6.
FLASHCARD QUESTION
Front
What is the elimination method?
Back
A method for solving systems of equations by eliminating one variable at a time.
7.
FLASHCARD QUESTION
Front
What is a solution of a system of equations?
Back
A set of values for the variables that makes all equations true.
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