properties for absolute values

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Useful Properties

Here are some properties of absolute values that can be useful:

  • |a| ≥ 0 always! That makes sense ...

  • |a| can never be less than zero.  (y can never be below origin)
  • |a| = √(aˆ2) Squaring a makes it positive or zero (for a as a Real Number). Then taking the


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