The slope of a line is defined by rise over run (or change in x/change in y). If the line y value of the line stays the same, while the x value changes, its slope is 0/x where x doesn't equal 0, and zero divided by any number is 0.
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Well since the lines are parallel they would have the same slope. And the slope of any horizontal line is 0. The slope of a vertical line is undefined.
No slope is undefined i.e. a vertical line slope of 0 is a horizontal line... i believe...
it is 0
If the original slope is 0, then the opposite reciprocal of 0 is still 0. Oops! Reciprocal of 0 (n/0) is undefined! A vertical line has undefined slope, the horizontal line has slope of 0.
The slope of a horizontal line is zero. It has a slope, but slope = 0 and this makes it different from a vertical line which has a slope that is undefined because you cannot divide 0 over 0 which is how much a vertical line rises and runs.Ways to find slope:(y2-y1)/(x2-x1 )orrise/run