Answer
m=0
The line is horizontal.
Work Step by Step
m=$\frac{y_2-y_1}{x_2-x_1}$
m=$\frac{-2-(-2)}{3-4}$
m=$\frac{-2+2}{-1}$
m=$\frac{0}{-1}$
m=0
The slope is 0 so the line is horizontal.
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