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Three of these comparisons are correct. Which one is WRONG?

Class 6IntegersIntegers
  • A−1 > −100
  • B0 > −4
  • C−20 < −2
  • D−6 > 5

Step-by-Step Solution

Every negative integer is less than every positive integer, so −6 > 5 is false; it should read −6 < 5. The other three are sound: −1 lies to the right of −100, 0 lies to the right of −4, and −20 lies to the left of −2.
Answer: D) −6 > 5

Key idea: Subtracting integers

Subtraction of integers is just adding the **opposite**: a − b = a + (−b). So 5 − 8 = 5 + (−8) = −3. And 5 − (−8) = 5 + 8 = 13. The 'minus minus' that looks confusing in symbols is simply: subtracting a negative is the same as adding its positive twin. Always rewrite subtraction as addition of the opposite — it removes every sign-error trap.

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