Systems of Linear Equations

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
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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.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FLASHCARD QUESTION
Front
What does it mean to isolate a variable in an equation?
Back
To manipulate the equation so that the variable is on one side by itself.
3.
FLASHCARD QUESTION
Front
What is the substitution method 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.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
FLASHCARD QUESTION
Front
What is the elimination method in solving systems of equations?
Back
A method that involves adding or subtracting equations to eliminate one variable, making it easier to solve for the other.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
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.
Tags
CCSS.8.EE.C.8A
6.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has infinite solutions?
Back
The equations represent the same line, meaning every point on the line is a solution.
Tags
CCSS.8.EE.C.8B
7.
FLASHCARD QUESTION
Front
What is the graphical representation of a system of linear equations?
Back
The solution is the point(s) where the lines intersect on a graph.
Tags
CCSS.8.EE.C.8A
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