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What is the slope of 
y=-4 ?

What is the slope of y=4 y=-4 ?

Full solution

Q. What is the slope of y=4 y=-4 ?
  1. Equation y=4y = -4: The equation y=4y = -4 represents a horizontal line. The slope of a horizontal line is 00, because there is no change in the yy-value no matter how much the xx-value changes.

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