elimination method!!!
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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, allowing for the solution of the other variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FLASHCARD QUESTION
Front
What is the first step in the elimination method?
Back
The first step is to manipulate the equations (by multiplying or adding) to align the coefficients of one variable so that it can be eliminated.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
FLASHCARD QUESTION
Front
Given the equations 5x - 4y = 11 and 5x + 4y = -14, what is the resulting combined equation?
Back
10x = -3
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
FLASHCARD QUESTION
Front
If you multiply the equation 2x - 6y = 20 by -1, what is the new equation?
Back
-2x + 6y = -20
Tags
CCSS.8.EE.C.7A
5.
FLASHCARD QUESTION
Front
What is the resulting combined equation for the system 9x + y = 12 and -9x + y = 6?
Back
2y = 18
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
FLASHCARD QUESTION
Front
In the system of equations 5x - 4y = 11 and 5x + 4y = -14, which variable will be eliminated?
Back
y
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
FLASHCARD QUESTION
Front
What does it mean to eliminate a variable in a system of equations?
Back
To eliminate a variable means to manipulate the equations so that one variable is removed, making it easier to solve for the other variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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