Unit 5 Systems Extra Practice / Retest
Flashcard
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Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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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. The solution is the point(s) where the equations intersect.
2.
FLASHCARD QUESTION
Front
How do you solve a system of equations algebraically?
Back
You can use substitution or elimination methods to find the values of the variables that satisfy all equations in the system.
3.
FLASHCARD QUESTION
Front
What does it mean for a point to be a solution to a system of equations?
Back
A point is a solution if it satisfies all equations in the system when the coordinates are substituted into the equations.
4.
FLASHCARD QUESTION
Front
What is the substitution method?
Back
A method for solving a system of equations where one equation is solved for one variable, and that expression is substituted into the other equation.
5.
FLASHCARD QUESTION
Front
What is the elimination method?
Back
A method for solving a system of equations by adding or subtracting equations to eliminate one variable, making it easier to solve for the other.
6.
FLASHCARD QUESTION
Front
What is a system of inequalities?
Back
A set of two or more inequalities with the same variables. The solution is the region where the inequalities overlap on a graph.
7.
FLASHCARD QUESTION
Front
How do you determine if a point is a solution to a system of inequalities?
Back
Substitute the point into each inequality. If it satisfies all inequalities, it is a solution.
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