Question
Which of the following methods is used in solving a system of linear equations?
1. Set x and y equal to 0 in each equation and solve one at a time.
2. Solve each equation, then find the difference between the solutions.
3. Graph and find the point where the equation intersect with each other
4. Graph and find the points where the equation intersect with the x- and y-axes.
1. Set x and y equal to 0 in each equation and solve one at a time.
2. Solve each equation, then find the difference between the solutions.
3. Graph and find the point where the equation intersect with each other
4. Graph and find the points where the equation intersect with the x- and y-axes.
Answers
GPT-4o mini
The method used in solving a system of linear equations from the options provided is:
**3. Graph and find the point where the equations intersect with each other.**
This method involves graphing the equations on the same coordinate system and identifying the intersection point, which represents the solution to the system of equations.
The other options are not standard methods for solving a system of linear equations.
**3. Graph and find the point where the equations intersect with each other.**
This method involves graphing the equations on the same coordinate system and identifying the intersection point, which represents the solution to the system of equations.
The other options are not standard methods for solving a system of linear equations.