
Systems of Equations (Substitution)
Flashcard
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a system of equations?
Back
A set of two or more equations with the same variables that are solved together.
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 simultaneously.
3.
FLASHCARD QUESTION
Front
What is substitution in the context of 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
When is substitution the best method to use?
Back
When one of the equations is already solved for one variable or can be easily manipulated to do so.
5.
FLASHCARD QUESTION
Front
Solve the system using substitution: y = 2x + 3, x + y = 10.
Back
(2, 7)
6.
FLASHCARD QUESTION
Front
What is the first step in solving a system of equations using substitution?
Back
Isolate one variable in one of the equations.
7.
FLASHCARD QUESTION
Front
Solve the system using substitution: 3x + y = 7, y = 2x - 1.
Back
(2, 3)
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