Respuesta :
The equation y = 1 is a horizontal line with a slope of zero.
What is the linear system?
A linear system is one in which the parameter in the equation has a degree of one. It might have one, two, or even more variables.
The equation of the line or linear system is given below.
y = 1
The above equation is a horizontal line with a slope of zero.
Thus, the correct option is A.
The graph is given below.
More about the linear system link is given below.
https://brainly.com/question/20379472
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