How to solve a system by graphing with a horizontal line

The video tutorial demonstrates how to solve a system of equations by graphing. It begins with setting up the X and Y axes and using a table method to graph the equation Y = -1, resulting in a horizontal line. The tutorial then explains graphing using the slope-intercept form for another equation, identifying the intersection point of the two lines as the solution. The solution is consistent and independent, as the lines intersect at a single point.

How does the choice of independent variable affect the graphing of an equation?

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What does it mean for a solution to be consistent and independent in a system of equations?

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