Elimination Practice (with multiplying)
Flashcard
•
Mathematics
•
9th Grade
•
Hard
+1
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 involves manipulating equations to eliminate one variable, making it easier to solve for the other variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FLASHCARD QUESTION
Front
How do you determine which equation to multiply in the elimination method?
Back
Choose the equation that, when multiplied, will allow one variable to cancel out when added to the other equation.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
FLASHCARD QUESTION
Front
What is the first step in using the elimination method?
Back
Identify the variable you want to eliminate and adjust the coefficients of that variable in both equations.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
FLASHCARD QUESTION
Front
If you have the equations 3x + 2y = 16 and 7x + y = 19, how can you eliminate y?
Back
Multiply the second equation by 2 to make the coefficients of y the same: 14x + 2y = 38.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
FLASHCARD QUESTION
Front
What does it mean for a system of equations to be set up for elimination?
Back
It means that the equations can be manipulated to eliminate one variable easily, usually by aligning coefficients.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
FLASHCARD QUESTION
Front
What is the solution to the system 3x + 2y = 16 and 7x + y = 19?
Back
The solution is (2, 5).
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
FLASHCARD QUESTION
Front
In the elimination method, what do you do after eliminating one variable?
Back
Solve the resulting equation for the remaining variable, then substitute back to find the other variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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