Solve a System of Linear Equations Using Elimination

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Mathematics
•
11th Grade - University
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the preferred method when dealing with equations that have the same coefficients but opposite signs?
Add the equations
Subtract the equations
Divide the equations
Multiply the equations
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After eliminating a variable, what is the next step in solving the system of equations?
Add a new variable
Multiply both equations by a constant
Substitute the known value into one of the equations
Graph the equations
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to substitute the found value back into the original equations?
To check if the solution satisfies both equations
To find a new solution
To eliminate another variable
To simplify the equations further
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the intersection point of the equations represent in a graph?
The maximum value of the graph
The average of the coefficients
The solution to the system of equations
The midpoint of the graph
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a system of equations has a solution, what does it mean for the equations?
They are parallel
They have no common solution
They are identical
They intersect at a point
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