Real number that is greater than or equal to zero.
The only number that is both positive and negative is the number 0.
In general, the sign of a positive integer is implied and we do not write it.
The opposite of a positive number is a negative number with the same absolute value and vice versa.
In general, the sign of a positive integer is implied and we do not write it.
The opposite of a positive number is a negative number with the same absolute value and vice versa.
- The opposite of –5 is 5.
- The opposite of 7 is –7.
Examples
The numbers 5, 7, \(\frac{1}{2}\), \(\sqrt{6}\), 2.8 and 13π are positive numbers.