End points on the number line are -13.6 and -6.2 to calculate the length of the segment we need to subtract the end points which will result as -7.4 (-13.6 - (-6.2))
More about segment:
A line segment on a line graph is known as a number line segment. A line segment differs from a line in that a line extends indefinitely in both directions, whereas a line segment is constrained by two endpoints.
The minimum distance between any two points is a section of a line. The space between two endpoints is what we mean when we talk about the "length" of a line segment.
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