What is the main goal when reducing a system of three equations to two equations with two variables?
Solve a System of three variables when given one variable

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Mathematics
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11th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To ensure all variables are equal
To eliminate the need for any calculations
To make the equations easier to solve using known methods
To simplify the equations for easier graphing
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which value is found first in the process of solving the system of equations?
X
Y
Z
None of the above
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After finding the value of Z, what is the next step in solving the system?
Eliminate X from the equations
Substitute Z into the other equations
Graph the equations
Solve for Y directly
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method is used to solve the two-variable system in the video?
Trial and error
Elimination
Substitution
Graphing
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of Y found in the solution process?
0
-1
1
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final value of X after solving the system?
0
3
2
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final step in solving the system of equations?
Graphing the solution
Checking the solution by substitution
Finding the value of Z
Summarizing the solution process
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