A thin continuous mark, as that made by a pen, pencil, or brush applied to a surface.
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A subset of a line is a part of the line that consists of one or more points on the line. It is a portion of the line that may include endpoints or extend indefinitely in one or both directions.
the equation of a line is "y=mx+b" where "m" is the slope, and "b" is the y-intercept.
A is a subset of the larger set. This means that every element in set A is also an element in the larger set.
Positive slope: The line rises from left to right. Negative slope: The line falls from left to right. Zero slope: The line is horizontal. Undefined slope: The line is vertical.
A contour line is a line on a map that connects points of equal elevation. They show the shape of the land and help visualize the terrain by indicating the topography of an area.
The equator is an imaginary line around the Earth's middle, at 0 degrees latitude. It divides the Earth into the Northern and Southern Hemispheres. The equator does not have a longitude, as it is a line of reference only for latitude.
A line of longitude is also commonly referred to as a meridian. This imaginary line connects the North Pole and the South Pole and helps define the geographic coordinates of a location.