Since the equation y = -4 represents a horizontal line, then the slope of the line is 0.
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the slope is - 2 and the y intercept is 4
If: 3x+y = -4 Then: y = -3x-4 and the slope of the line is -3
-2
The general equation of a line is: y = mx + b where m is the slope and b is the y-intercept. 3x + y = 4 y = -3x + 4 The slope is -3.
Y = 4 is a horizontal line with zero slope. dy/dx = 0