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 other variable to be solved directly.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
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
3.
FLASHCARD QUESTION
Front
What do you need to multiply an equation by to create a zero pair?
Back
You need to multiply the equation by a coefficient that will make the coefficients of one variable equal and opposite in both equations.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
FLASHCARD QUESTION
Front
What is the standard form of a linear equation?
Back
The standard form of a linear equation is Ax + By = C, where A, B, and C are integers, and A should be non-negative.
5.
FLASHCARD QUESTION
Front
How do you determine if two equations can be solved using the elimination method?
Back
Both equations should be in standard form, and at least one variable's coefficients should be able to be made equal and opposite.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
FLASHCARD QUESTION
Front
What is the first step in using the elimination method?
Back
The first step is to manipulate the equations (by multiplying or adding) to align the coefficients of one variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
FLASHCARD QUESTION
Front
If you have the equations 5x - 2y = 11 and -10x + 3y = -4, what do you multiply the first equation by to eliminate x?
Back
Multiply the first equation by 2.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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