



 
Hi Barb, Did you plot a few points? I plotted the points that satisfy y = 6 and x = 0, x = 1, x = 1 and x = 4.
All these points are 6 units below the Xaxis. In fact every point that is 6 units below the Xaxis has its Yvalue equal to 6. Thus that's the graph of y = 6, all the points in the plane that are 6 units below the Xaxis. Penny  


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