MA, Stanford University
Teaching in the San Francisco Bay Area
Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts
An absolute value is the distance a number is away from zero on a number line. Since distance is always positive, the absolute value will always be positive. The absolute value of -3 is notated like | - 3 | = 3 units from zero. (Note that | 3 | = 3 as well, because it is also a distance of 3 units away from zero on a number line.)
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