What is a system of equations?
UNIT 5 - Systems of Equations and Inequalities

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A set of two or more equations with the same variables that are solved together.
2.
FLASHCARD QUESTION
Front
What does it mean for two lines to be coinciding?
Back
It means the lines lie on top of each other, resulting in infinitely many solutions.
3.
FLASHCARD QUESTION
Front
What is the graphical representation of a system of equations?
Back
The points where the lines intersect represent the solutions to the system.
4.
FLASHCARD QUESTION
Front
What is the solution to a system of equations?
Back
The values of the variables that satisfy all equations in the system.
5.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has no solution?
Back
The lines are parallel and never intersect.
6.
FLASHCARD QUESTION
Front
How do you solve a system of equations using substitution?
Back
Solve one equation for one variable and substitute that expression into the other equation.
7.
FLASHCARD QUESTION
Front
What is the elimination method in solving systems of equations?
Back
A method where you add or subtract equations to eliminate one variable.
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