SOLUTION: How do we write the equation of a horizontal line? What would be an example?

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Question 203227: How do we write the equation of a horizontal line? What would be an example?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
y=mx+b Slope intercept form of an equation of a line. m=slope.
In the case of a horizontal line m=0
So, y=b if m=0 irrespective of the value of x.
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Below is the graph of y=mx+2.5 when m=0
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Ed
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graph%28500%2C500%2C-10%2C10%2C-10%2C10%2C2.5%29