Question

Find the slope of x=-2

Answer 1

x = -2

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VUX -- vertical line, undefined slope, represented by x = a number
HOY -- horizontal line, 0 slope, represented by y = a number

so x = -2.......is a vertical line which has an undefined slope <=

Answer 2

X = -2 has a unit rate of 0 or no slope. This is because the line is straight