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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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Q: Why is the slope of any horizontal line 0?
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Related questions

If the slope of a line is 0 is the line horizontal or vertical?

if the slope is 0, the line is horizontal.


Slope of horizontal line?

The slope of a horizontal line is zero.


What is the slope of a line that is parallel to a horizontal line?

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.


A horizontal line has an undefined slope?

No, the slope of a horizontal line is 0. The slope of a vertical line is undefined.


The slope of a horizontal line is?

Horizontal lines have a slope of 0.


Why is a slope of a horizontal line zero?

The slope of a line is the tangent of the angle made by the line with the X-axis. Since for a horizontal line, this angle is 0 and tan(0) = zero, the slope of a horizontal line is zero.


Why is the slope of a horizontal line zero?

The slope of a line is the tangent of the angle made by the line with the X-axis. Since for a horizontal line, this angle is 0 and tan(0) = zero, the slope of a horizontal line is zero.


Slope of a vertical line?

The slope of a vertical line is undefined. Horizontal slope is 0.


What does a slope OF 0 tell you about a line?

It is a horizontal line.


Which slope indacates a line with no vertical changes?

a horizontal line (slope = 0)


What is the difference between slope of 0 and no slope?

No slope is undefined i.e. a vertical line slope of 0 is a horizontal line... i believe...


What is a slope of 0?

A horizontal line has a slope of 0. If you're using the slope formula, then when the numerator is equal to 0 then the slope is 0.