SOLUTION: The Line x=4 has a gradient of zero. Is this Always True, Always False or Sometimes True

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Question 1039648: The Line x=4 has a gradient of zero.
Is this Always True, Always False or Sometimes True
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Such a line x=4 is vertical and has no slope.