elimination method!!!
Flashcard
•
Mathematics
•
9th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the elimination method in solving systems of equations?
Back
The elimination method is a technique used to solve systems of linear equations by eliminating one variable, making it possible to solve for the other variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FLASHCARD QUESTION
Front
What does it mean to create a zero pair in the elimination method?
Back
Creating a zero pair means manipulating the equations so that one variable cancels out when the equations are added or subtracted.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
FLASHCARD QUESTION
Front
How do you determine which variable to eliminate in a system of equations?
Back
You can determine which variable to eliminate by looking for coefficients that can be made equal or opposites through multiplication.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
FLASHCARD QUESTION
Front
What is the first step in using the elimination method?
Back
The first step is to align the equations and decide which variable to eliminate.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
FLASHCARD QUESTION
Front
If you have the equations 2x + 3y = 6 and 4x + 6y = 12, what can you say about them?
Back
These equations are dependent; they represent the same line and have infinitely many solutions.
Tags
CCSS.8.EE.C.8B
6.
FLASHCARD QUESTION
Front
What is the resulting equation when you combine 9x + y = 12 and -9x + y = 6?
Back
The resulting equation is 2y = 18.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
FLASHCARD QUESTION
Front
In the equations -5x + 2y = 11 and 5x + 4y = 13, which variable will be eliminated?
Back
The variable x will be eliminated.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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