

Elimination Method in Linear Systems
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal of using the elimination method in solving linear systems?
To graph the equations and find their intersection
To eliminate one variable by adding or subtracting equations
To substitute one equation into another
To find the slope of the equations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Example 1, what happens when you add two equations with opposite coefficients for one variable?
The variable is eliminated
The variable is halved
The variable remains unchanged
The variable is doubled
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result when two equations are added and their coefficients for a variable are opposites?
The variable is eliminated
The variable is doubled
The variable is halved
The variable remains unchanged
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the outcome when two equations with opposite coefficients are added?
The variable remains unchanged
The variable is halved
The variable is doubled
The variable is eliminated
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to adjust equations in Example 2 before using elimination?
To change the variables
To simplify the equations
To create opposite coefficients for one variable
To make the equations identical
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Example 2, what is the result of multiplying the top equation by 2?
The coefficients become opposites
The coefficients become identical
The equation is simplified
The variables are changed
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Example 3, why are both equations multiplied by different numbers?
To make the equations identical
To change the variables
To find a common multiple for elimination
To simplify the equations
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