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, allowing for the solution of the remaining variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FLASHCARD QUESTION
Front
How do you combine two equations in the elimination method?
Back
To combine two equations, you can add or subtract them after multiplying one or both equations by a suitable number to align coefficients of one variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
FLASHCARD QUESTION
Front
What is a zero pair in the context of the elimination method?
Back
A zero pair occurs when two terms in an equation cancel each other out, resulting in a sum of zero, which helps in eliminating a variable.
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 arrange the equations in standard form (Ax + By = C) and identify which variable to eliminate.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
FLASHCARD QUESTION
Front
When is it necessary to multiply an equation in the elimination method?
Back
It is necessary to multiply an equation when the coefficients of the variable you want to eliminate are not opposites, allowing you to create a zero pair.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
FLASHCARD QUESTION
Front
What does it mean to eliminate a variable?
Back
To eliminate a variable means to manipulate the equations so that one variable is removed, allowing for the solution of the other variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
FLASHCARD QUESTION
Front
What is the resulting equation when combining 5x - 4y = 11 and 5x + 4y = -14?
Back
The resulting equation is 10x = -3.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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