IN MATH: 1. n. a graphic representation, a line on which each point is named by a number. The numbered points are uniformly spaced and ordered, usually from smallest to largest. The scale is usually indicated through the marks indicating the point named zero, the point named one, and the distance between them, one unit. EX. On a logarithmic scale, numbers are ordered and spaced as their powers of 10, or the base, would be on a number line.
IN ENGLISH: 1. as defined above.
APPLICATION: (see list 130)
1. Draw a number line which might be used to graph any of the three following problems.
2. Graph x > 4.
3. On a separate number line graph .
4. On another number line, graph the integers greater than -2 but less than 3.
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