AFDA Systems of Linear Equations

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a system of linear equations?
Back
A set of two or more linear equations with the same variables.
2.
FLASHCARD QUESTION
Front
What does it mean if a system of linear equations has no solution?
Back
The lines representing the equations are parallel and never intersect.
3.
FLASHCARD QUESTION
Front
What does it mean if a system of linear equations has one solution?
Back
The lines intersect at exactly one point.
4.
FLASHCARD QUESTION
Front
What does it mean if a system of linear equations has infinitely many solutions?
Back
The equations represent the same line, so every point on the line is a solution.
5.
FLASHCARD QUESTION
Front
How do you solve a system of equations by graphing?
Back
Graph each equation on the same coordinate plane and identify the point(s) of intersection.
6.
FLASHCARD QUESTION
Front
What is the substitution method in solving systems of equations?
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
Add or subtract equations to eliminate one variable, making it easier to solve for the other.
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