table of contents the goal in solving a linear system of equations is to find the values of the...
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Table of Contents
• The goal in solving a linear system of equations is to find the values of the variables that satisfy all of the equations in the system. Sometimes such values cannot be found.
• Example:
2y2x2
4yx
Solve the following system
of equations ...
Solving Linear Systems of Equations - Inconsistent Systems
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Table of Contents Slide 2
• Using the addition method we find ... 2y2x2
8y2x2
60
Such a system is called an Inconsistent System.
• Systems of three equations in three unknowns can also be inconsistent with similar algebraic results
• Since both variables were eliminated, and the result isclearly untrue, there is no solution to the system. There are no values for x and y that make both equations in the system true.
Solving Linear Systems of Equations - Inconsistent Systems
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Table of Contents Slide 3
• Using a graphing calculator to graph the two equations in the system we find ...
• Since the graphs are parallel lines, there are no points of intersection, and thus no solution points.
Solving Linear Systems of Equations - Inconsistent Systems
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Table of Contents
Solving Linear Systems of Equations - Inconsistent Systems