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If the line runs parallel to the x axis (horizontally), its slope is 0. If runs parallel to the y axis (vertically), then its slope is undefined.
This is because slope equals rise (y) divided by run (x).
For example, if the line is raised 0 units on the y scale and runs 3 units over from the origin on the x scale, you calculate slope by dividing 0 (rise) by 3 (run), which equals 0. On the other hand, if we were to flip the units, the case would be different. If you go up 3 units on the y scale, and over 0 units on the x scale, you would divide 3 (rise) by 0 (run), which is undefined because it is impossible to divide by zero.
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∙ 11y ago
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Do horizontal lines have an undefined slope?
No. The slope of a horizontal line is zero. The slope of a vertical line is undefined.
What does an undefined slope look like?
Undefined slope is a vertical line along the horizontal point of origin., the slope would have a denominator of zero, which is undefined.
The slope of a vertical line?
Undefined.
What is the slope of a line parallel to the y-axis?
The slope is undefined.
A line parallel to another line with an undefined slope must also have an undefined slope?
Sounds reasonable. If the lines are parallel, then their slopes are equal.
What is the direction of the line with an undefined slope?
A vertical line has an undefined slope.
A horizontal line has an undefined slope?
No, the slope of a horizontal line is 0. The slope of a vertical line is undefined.
Do undefined slopes have a slope?
An undefined slope is just a line straight down. The slope is undefined.
Do horizontal lines have an undefined slope?
No. The slope of a horizontal line is zero. The slope of a vertical line is undefined.
Is an undefined slope a vertical or horizontal line?
An undefined slope is vertical.
How can you tell if a slope is zero or undefined?
A slope is 0 if it is a straight horizontal line. A slope is undefined if it is a straight vertical line.
Write an equation for undefined slope?
The equation of a line with an undefined slope is x = a.
What is the difference between a line that has a zero slope and a line that has a undefined slope?
zero is horizontal, undefined is vertical
When the slope of a line is indefinite?
The slope of a line is undefined if the line is vertical.
Does a vertical line have an infinite slope?
No, the slope is undefined
Slope of a vertical line?
The slope of a vertical line is undefined. Horizontal slope is 0.
What is the difference between undefined slope and no slope?
Undefined slope is when a line is exactly on the y-axis, for reasons unknown, the slope of a line on the y-axis cannot be determined, so therefore it it "undefined." A line with no slope is a line with a slope of zero. In order for a line to have a slope of zero, it must be directly on the x-axis, meaning it is horizontal. Horizontal lines are straight and have no slope
