elimination method!!!
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
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16 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 does it mean to create a zero pair in the elimination method?
Back
Creating a zero pair means manipulating the equations so that when added together, one variable cancels out, resulting in an equation with only one variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
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.
4.
FLASHCARD QUESTION
Front
How do you multiply an equation by -1?
Back
To multiply an equation by -1, you change the sign of every term in the equation.
Tags
CCSS.8.EE.C.7A
5.
FLASHCARD QUESTION
Front
What is the purpose of multiplying an equation in the elimination method?
Back
Multiplying an equation is used to align coefficients of one variable so that when the equations are added or subtracted, one variable is eliminated.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
FLASHCARD QUESTION
Front
If you have the equations 2x - 6y = 20 and 2x + 5y = -11, what do you multiply the first equation by to eliminate x?
Back
You would multiply the first equation by -1.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
FLASHCARD QUESTION
Front
In the equations 5x - 4y = 11 and 5x + 4y = -14, which variable will be eliminated?
Back
The variable y will be eliminated.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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