What Is a Linear Line in Math?

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A linear line in mathematics indicates that we're talking about a specific geometric figure. Learn about a linear line in math with help from an experienced mathematics educator in this free video clip.

Part of the Video Series: Elementary Math
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Video Transcript

Hi my name is Marija. I'm a mathematician and today I'm going to tell you what a linear line is. So the word linear actually itself implicates that we're talking about a line okay and a line is a geometric figure that extends endlessly in two directions. So we can pick any two points on our line, let's say this is point A and point B and we can go ahead and name this line A, B. Okay this would be my line A, B. So line A, B is going to extend endlessly to the left and it's going to extend endlessly to the right and what that means is it's going to have an infinite number of points because line A, B contains every single point that's on it because it extends endlessly it's going to have an infinite number of points. Something else to note about a line is that it does not have any width. It does not have any thickness so you would never say how thick or how wide a line is. You also can't say how long it is because it extends endlessly in both directions. So a line is a geometric figure that extends endlessly in both directions. It has no thickness and the word linear itself implicates a line. My name is Marija and I just told you what a linear line is.

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