Which of these is true? Statement I: The sum of a positive integer and its additive inverse is always 0. Statement II: Subtracting a negative integer always increases the value.
- A.Only I is true
- B.Only II is true
- C.Both I and II are true ✓
- D.Neither is true
Explanation: I is the definition of an additive inverse, so it's always true. II is also true: subtracting a negative is the same as adding a positive, which increases the value.
Class 6 IMO Mathematics Olympiad practice · Number Sense · Integers — The Other Side of Zero
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