Systems of Equations by Elimination

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•
Mathematics
•
8th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a system of equations?
Back
A system of equations is a set of two or more equations with the same variables. The solution to the system is the set of values that satisfy all equations simultaneously.
2.
FLASHCARD QUESTION
Front
What does it mean to solve a system of equations by elimination?
Back
Solving a system of equations by elimination involves adding or subtracting the equations to eliminate one variable, making it easier to solve for the remaining variable.
3.
FLASHCARD QUESTION
Front
What is the elimination method?
Back
The elimination method is a technique for solving systems of equations by removing one variable, allowing for the solution of the other variable.
4.
FLASHCARD QUESTION
Front
What does it indicate if a system of equations has an infinite number of solutions?
Back
An infinite number of solutions indicates that the equations represent the same line, meaning every point on the line is a solution.
5.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has no solution?
Back
No solution means that the equations represent parallel lines that never intersect, indicating that there are no common solutions.
6.
FLASHCARD QUESTION
Front
How do you determine if two equations are dependent?
Back
Two equations are dependent if they represent the same line, which can be determined if one equation can be obtained by multiplying the other by a non-zero constant.
7.
FLASHCARD QUESTION
Front
What is the first step in using the elimination method?
Back
The first step is to align the equations and manipulate them (by multiplication or addition) to create coefficients for one variable that are opposites.
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