The blue dot indicates the graph of the number.
Work Step by Step
The distance from 0 to 1 is called the unit distance. Numbers to the right of the origin (0) are positive and numbers to the left of the origin are negative. Real numbers are graphed on a number line by placing a dot at the correct location for each number. The number 2 is positive, and is located 2 units to the right of 0 The blue dot indicates the graph of the number.