alleryStart learning →What does the notation with a minus sign written before a letter mean?
AThe reciprocal of that number
BThe square root of that number
CThe absolute value of the number
DThe opposite of that number
Answer & Solution
Correct answer: D. The opposite of that number
1. A minus sign written in front of a letter is opposite notation.
2. It means the opposite of the number that letter stands for.
3. So it is read aloud as the opposite of that number.
4. A minus sign outside brackets does the same job to whatever is inside them.
_Source: OpenStax Prealgebra (CC BY 4.0), Ch 3 "Integers", section Opposite Notation_
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