What is a system of equations?
Solving Systems by Substitution and Elimination

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•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A set of two or more equations with the same variables.
2.
FLASHCARD QUESTION
Front
What does it mean to solve a system of equations?
Back
Finding the values of the variables that satisfy all equations in the system.
3.
FLASHCARD QUESTION
Front
What is substitution in solving systems of equations?
Back
A method where one equation is solved for one variable, and that expression is substituted into the other equation.
4.
FLASHCARD QUESTION
Front
What is elimination in solving systems of equations?
Back
A method where equations are added or subtracted to eliminate one variable, making it easier to solve for the other.
5.
FLASHCARD QUESTION
Front
What is the first step in the substitution method?
Back
Solve one of the equations for one variable in terms of the other.
6.
FLASHCARD QUESTION
Front
What is the first step in the elimination method?
Back
Align the equations and manipulate them to eliminate one variable.
7.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has no solution?
Back
The lines represented by the equations are parallel and never intersect.
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