Integers are both positive and negative numbers
Positive numbers are greater than zero and negative numbers are less than zero
A quantity is a measured amount.
Quantities can be measured using positive or negative numbers.
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Positive or negative value is determined by comparing the quantity to zero.
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A gain of $5 is represented by the integer +5
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100 feet below sea level is represented by the integer - 100
Absolute Value means : how far a number is from zero:
"6" is 6 away from zero,
and "-6" is also 6 away from zero.
So the absolute value of 6 is 6,
and the absolute value of -6 is also 6
Absolute Value Symbol:
|6| = 6: this reads” The absolute value of 6 equals 6
|- 6| = 6 this reads the absolute value of negative 6 equals 6