Question 164358
Graph the equation by plotting points.
y=-4

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No matter what value x has, y has the value -4.
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Let x=0, y=-4 to give you point (0,-4)
Let x=1, y=-4 to give you point (2,-4)
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Plot those two points and draw a line thru them.
{{{graph(400,300,-10,10,-10,10,-4)}}}
Cheers,
Stan H.