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7.2.1-2.3 Review
Absolute Value, Additive Inverse, +,- Integers
Term | Definition |
---|---|
Adding integers with the same sign | same signs add and keep the sign |
Adding integers with different signs | Subtract the integers. Keep the sign of the greatest absolute value |
Subtracting Integers | Add the opposite or Keep, change, change: keep 1st #, change (-) to (+), change sign of 2nd # |
Additive inverse | The opposite of a number, the sum of a number and its additive inverse is 0 |
absolute value | The distance a number is from zero on a number line. ALWAYS POSITIVE |